#include <functional>
#include <iostream>
#include <rice/rice.hpp>
#include <vector>

#include "Generate.h"
#include "Random.h"

void MakeSecretSymmetryGrid(Generate& generator) {
  for (int x : {0, 6, 8, 14}) {
    for (int y : {0, 6, 8, 14}) {
      generator.setSymbol(Decoration::Start, x, y);
    }
  }
  for (int x : {0, 14}) {
    for (int y : {2, 4, 10, 12}) {
      generator.setSymbol(Decoration::Exit, x, y);
      generator.setSymbol(Decoration::Exit, y, x);
    }
  }
}

Rice::Object wittle_generator_generate_easy(Rice::Object /* self */) {
  static std::vector<std::function<void(Generate&)>> generator_fns{
      [](Generate& generator) {
        generator.setSymbol(Decoration::Start, 2 * 2, 2 * 2);
        generator.setSymbol(Decoration::Exit, 4 * 2, 0);
        generator.generate(
            4, 4, {{{Decoration::Dot_Intersection, 25}, {Decoration::Gap, 2}}});
      },
      [](Generate& generator) {
        generator.setSymbol(Decoration::Start, 0, 4 * 2);
        generator.generate(4, 4,
                           {{{Decoration::Stone | Decoration::Color::Black, 7},
                             {Decoration::Stone | Decoration::Color::White, 5},
                             {Decoration::Exit, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setSymmetry(Panel::Rotational);
        generator.generate(6, 6, {{{Decoration::Gap, 15}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setSymmetry(Panel::Vertical);
        generator.generate(5, 8, {{{Decoration::Gap, 15}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setSymmetry(Panel::Horizontal);
        generator.generate(5, 5, {{{Decoration::Dot, 7}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setSymmetry(Panel::Rotational);
        generator.generate(5, 5, {{{Decoration::Dot, 6}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setSymmetry(Panel::Rotational);
        generator.generate(5, 5,
                           {{{Decoration::Dot | Decoration::Color::Blue, 1},
                             {Decoration::Dot | Decoration::Color::Yellow, 2},
                             {Decoration::Dot, 4}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4, {{{Decoration::Poly | Decoration::Color::Yellow, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::FullGaps);
        generator.setFlag(Generate::StartEdgeOnly);
        generator.generate(5, 5,
                           {{{Decoration::Gap, 16},
                             {Decoration::Dot, 10},
                             {Decoration::Exit, 1},
                             {Decoration::Start, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(3, 3,
                           {{{Decoration::Eraser | Decoration::Color::Green, 1},
                             {Decoration::Dot, 8}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4,
            {{{Decoration::Stone | Decoration::Color::White, 8},
              {Decoration::Stone | Decoration::Color::Black, 4},
              {Decoration::Eraser | Decoration::Color::Green, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4,
            {{{Decoration::Stone | Decoration::Color::Red, 4},
              {Decoration::Stone | Decoration::Color::White, 4},
              {Decoration::Stone | Decoration::Color::Black, 3},
              {Decoration::Eraser | Decoration::Color::Green, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::RequireCombineShapes);
        generator.generate(4, 4,
                           {{{Decoration::Poly | Decoration::Color::Yellow, 1},
                             {Decoration::Poly | Decoration::Color::Yellow |
                                  Decoration::Can_Rotate,
                              1},
                             {Decoration::Gap, 5}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            3, 3,
            {{{Decoration::Poly | Decoration::Color::Yellow, 3},
              {Decoration::Eraser | Decoration::Color::White, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::FullGaps);
        generator.generate(4, 4,
                           {{{Decoration::Gap, 8},
                             {Decoration::Dot_Intersection, 10},
                             {Decoration::Exit, 1},
                             {Decoration::Start, 3}}});
      },
      [](Generate& generator) {
        generator.generate(5, 5,
                           {{{Decoration::Exit, 1},
                             {Decoration::Stone | Decoration::Color::Black, 11},
                             {Decoration::Stone | Decoration::Color::White, 8},
                             {Decoration::Start, 3}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(4, 4,
                           {{{Decoration::Star | Decoration::Color::Green, 6},
                             {Decoration::Star | Decoration::Color::Orange, 5},
                             {Decoration::Eraser | Decoration::Orange, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(4, 4,
                           {{{Decoration::Star | Decoration::Color::Orange, 6},
                             {Decoration::Star | Decoration::Color::Magenta, 5},
                             {Decoration::Star | Decoration::Color::Green, 4},
                             {Decoration::Eraser | Decoration::Magenta, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(4, 4,
                           {{{Decoration::Star | Decoration::Color::Magenta, 6},
                             {Decoration::Poly | Decoration::Color::Yellow, 2},
                             {Decoration::Eraser | Decoration::White, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(4, 4,
                           {{{Decoration::Star | Decoration::Color::Magenta, 5},
                             {Decoration::Poly | Decoration::Color::Yellow, 2},
                             {Decoration::Eraser | Decoration::White, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(4, 4,
                           {{{Decoration::Star | Decoration::Color::Orange, 4},
                             {Decoration::Gap, 10}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(5, 5,
                           {{{Decoration::Star | Decoration::Color::Orange, 10},
                             {Decoration::Gap, 3}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(4, 4,
                           {{{Decoration::Star | Decoration::Color::Orange, 4},
                             {Decoration::Star | Decoration::Color::Magenta, 4},
                             {Decoration::Gap, 8}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(4, 4,
                           {{{Decoration::Star | Decoration::Color::Orange, 4},
                             {Decoration::Star | Decoration::Color::Magenta, 2},
                             {Decoration::Star | Decoration::Color::Green, 2},
                             {Decoration::Gap, 8}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            4, 3,
            {{{Decoration::Star | Decoration::Color::Orange, 6},
              {Decoration::Star | Decoration::Color::Magenta, 4},
              {Decoration::Star | Decoration::Color::Green, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.setFlag(Generate::FullGaps);
        generator.generate(4, 4,
                           {{{Decoration::Star | Decoration::Color::Magenta, 6},
                             {Decoration::Dot_Intersection, 6},
                             {Decoration::Gap, 3}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            4, 4,
            {{{Decoration::Star | Decoration::Color::Magenta, 4},
              {Decoration::Stone | Decoration::Color::Black, 4},
              {Decoration::Stone | Decoration::Color::White, 4}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            3, 3,
            {{{Decoration::Star | Decoration::Color::Black, 1},
              {Decoration::Stone | Decoration::Color::Black, 2},
              {Decoration::Stone | Decoration::Color::White, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            4, 4,
            {{{Decoration::Star | Decoration::Color::White, 2},
              {Decoration::Stone | Decoration::Color::Black, 2},
              {Decoration::Stone | Decoration::Color::White, 2},
              {Decoration::Stone | Decoration::Color::Purple, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            4, 4,
            {{{Decoration::Poly | Decoration::Color::Orange, 2},
              {Decoration::Star | Decoration::Color::Magenta, 4}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            4, 5,
            {{{Decoration::Stone | Decoration::Color::White, 8},
              {Decoration::Stone | Decoration::Color::Black, 8},
              {Decoration::Eraser | Decoration::Color::White, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(4, 5,
                           {{{Decoration::Poly | Decoration::Color::Orange, 2},
                             {Decoration::Stone | Decoration::Color::White, 4},
                             {Decoration::Stone | Decoration::Color::Black, 4},
                             {Decoration::Gap, 4}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4,
            {{{Decoration::Dot_Intersection, 25},
              {Decoration::Poly | Decoration::Color::Yellow, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4,
            {{{Decoration::Dot_Intersection, 25},
              {Decoration::Poly | Decoration::Color::Yellow |
                   Decoration::Can_Rotate,
               2},
              {Decoration::Eraser | Decoration::Color::White, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setSymmetry(Panel::Rotational);
        generator.generate(
            5, 5,
            {{{Decoration::Stone | Decoration::Color::Black, 6},
              {Decoration::Stone | Decoration::Color::White, 6}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setSymmetry(Panel::Rotational);
        generator.generate(5, 5,
                           {{{Decoration::Stone | Decoration::Color::Black, 5},
                             {Decoration::Stone | Decoration::Color::White, 5},
                             {Decoration::Dot, 3}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::SplitShapes);
        generator.generate(4, 4,
                           {{{Decoration::Poly | Decoration::Color::Yellow, 3},
                             {Decoration::Gap, 8}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::BigShapes);
        generator.generate(5, 5,
                           {{{Decoration::Poly | Decoration::Color::Yellow, 2},
                             {Decoration::Gap, 12}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::DisconnectShapes);
        generator.generate(
            3, 3, {{{Decoration::Poly | Decoration::Color::Yellow, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::DisconnectShapes);
        generator.setFlag(Generate::BigShapes);
        generator.generate(
            4, 4, {{{Decoration::Poly | Decoration::Color::Yellow, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::RequireCombineShapes);
        generator.setFlag(Generate::DisableCancelShapes);
        generator.generate(3, 3,
                           {{{Decoration::Poly | Decoration::Color::Yellow, 2},
                             {Decoration::Poly | Decoration::Negative |
                                  Decoration::Color::Blue,
                              1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::RequireCombineShapes);
        generator.setFlag(Generate::DisableCancelShapes);
        generator.generate(4, 4,
                           {{{Decoration::Poly | Decoration::Color::Yellow, 2},
                             {Decoration::Poly | Decoration::Negative |
                                  Decoration::Color::Blue,
                              1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::BigShapes);
        generator.setFlag(Generate::DisableCancelShapes);
        generator.generate(4, 4,
                           {{{Decoration::Poly | Decoration::Color::Yellow, 2},
                             {Decoration::Poly | Decoration::Negative |
                                  Decoration::Color::Blue,
                              1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::RequireCancelShapes);
        generator.generate(4, 4,
                           {{{Decoration::Poly | Decoration::Color::Yellow, 3},
                             {Decoration::Poly | Decoration::Negative |
                                  Decoration::Color::Blue,
                              2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4, {{{Decoration::Triangle | Decoration::Color::Orange, 6}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.setFlag(Generate::LongPath);
        generator.generate(
            5, 4,
            {{{Decoration::Star | Decoration::Color::Magenta, 6},
              {Decoration::Stone | Decoration::Color::Orange, 4},
              {Decoration::Stone | Decoration::Color::Green, 4}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4,
            {{{Decoration::Dot, 6},
              {Decoration::Stone | Decoration::Color::Black, 3},
              {Decoration::Stone | Decoration::Color::White, 3}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4,
            {{{Decoration::Dot, 4},
              {Decoration::Stone | Decoration::Color::Black, 3},
              {Decoration::Stone | Decoration::Color::White, 2},
              {Decoration::Poly | Decoration::Color::Yellow, 1}}});
      },
      [](Generate& generator) {
        generator.setSymmetry(Panel::Rotational);
        generator.generate(5, 5,
                           {{{Decoration::Dot | Decoration::Color::Blue, 2},
                             {Decoration::Dot | Decoration::Color::Yellow, 2},
                             {Decoration::Dot, 4},
                             {Decoration::Start, 2},
                             {Decoration::Exit, 1}}});
      },
  };

  Generate generator;

  int choice = Random::rand() % generator_fns.size();
  std::cout << "Generate EASY: choice " << std::dec << choice << std::endl;

  generator_fns.at(choice)(generator);

  Rice::String str(generator.AsCode());
  return str;
}

Rice::Object wittle_generator_generate_medium(Rice::Object /* self */) {
  static std::vector<std::function<void(Generate&)>> generator_fns{
      [](Generate& generator) {
        generator.setSymbol(Decoration::Start, 2 * 2, 2 * 2);
        generator.setSymbol(Decoration::Exit, 4 * 2, 0);
        generator.generate(
            4, 4,
            {{{Decoration::Stone | Decoration::Color::White, 5},
              {Decoration::Stone | Decoration::Color::Black, 5},
              {Decoration::Dot, 4},
              {Decoration::Eraser | Decoration::Color::Green, 1}}});
      },
      [](Generate& generator) {
        generator.setSymbol(Decoration::Exit, 0, 0);
        generator.setSymbol(Decoration::Exit, 7 * 2, 0);
        generator.setSymbol(Decoration::Exit, 7 * 2, 7 * 2);
        generator.generate(7, 7,
                           {{{Decoration::Stone | Decoration::Color::White, 10},
                             {Decoration::Stone | Decoration::Color::Black, 10},
                             {Decoration::Dot, 10},
                             {Decoration::Start, 4}}});
      },
      [](Generate& generator) {
        generator.setSymbol(Decoration::Exit, 0, 0);
        generator.setSymbol(Decoration::Exit, 7 * 2, 0);
        generator.setSymbol(Decoration::Exit, 7 * 2, 7 * 2);
        generator.generate(
            7, 7,
            {{{Decoration::Stone | Decoration::Color::White, 10},
              {Decoration::Stone | Decoration::Color::Black, 10},
              {Decoration::Dot, 10},
              {Decoration::Eraser | Decoration::Color::Purple, 1},
              {Decoration::Start, 3}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(5, 5,
                           {{{Decoration::Star | Decoration::White, 8},
                             {Decoration::Star | Decoration::Black, 6}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::DisconnectShapes);
        generator.generate(
            4, 4,
            {{{Decoration::Poly | Decoration::Color::Yellow, 3},
              {Decoration::Eraser | Decoration::Color::White, 1}}});
      },
      [](Generate& generator) {
        generator.setSymbol(Decoration::Start, 2 * 2, 2 * 2);
        generator.setSymbol(Decoration::Exit, 4 * 2, 0);
        generator.generate(
            4, 4,
            {{{Decoration::Dot_Intersection, 25},
              {Decoration::Stone | Decoration::Color::Black, 2},
              {Decoration::Stone | Decoration::Color::White, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::RequireCancelShapes);
        generator.generate(6, 6,
                           {{{Decoration::Dot_Intersection, 49},
                             {Decoration::Poly | Decoration::Color::Yellow, 1},
                             {Decoration::Poly | Decoration::Color::Yellow |
                                  Decoration::Can_Rotate,
                              2},
                             {Decoration::Poly | Decoration::Color::Blue |
                                  Decoration::Negative,
                              3}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4,
            {{{Decoration::Poly | Decoration::Color::Yellow, 3},
              {Decoration::Eraser | Decoration::Color::White, 1}}});
      },
      [](Generate& generator) {
        generator.setSymbol(Decoration::Start, 0, 3 * 2);
        generator.setSymbol(Decoration::Exit, 6 * 2, 3 * 2);
        generator.generate(6, 3,
                           {{{Decoration::Star | Decoration::Color::Magenta, 3},
                             {Decoration::Poly | Decoration::Color::Yellow, 3},
                             {Decoration::Eraser | Decoration::White, 1}}});
      },
      [](Generate& generator) {
        generator.setSymbol(Decoration::Start, 0, 3 * 2);
        generator.setSymbol(Decoration::Exit, 6 * 2, 3 * 2);
        generator.generate(6, 3,
                           {{{Decoration::Star | Decoration::Color::Magenta, 5},
                             {Decoration::Poly | Decoration::Color::Yellow, 3},
                             {Decoration::Eraser | Decoration::White, 1}}});
      },
      [](Generate& generator) {
        generator.setSymbol(Decoration::Start, 0, 3 * 2);
        generator.setSymbol(Decoration::Exit, 6 * 2, 3 * 2);
        generator.generate(6, 3,
                           {{{Decoration::Star | Decoration::Color::Magenta, 6},
                             {Decoration::Poly | Decoration::Color::Yellow, 3},
                             {Decoration::Eraser | Decoration::White, 1}}});
      },
      [](Generate& generator) {
        generator.setSymbol(Decoration::Start, 0, 3 * 2);
        generator.setSymbol(Decoration::Exit, 7 * 2, 3 * 2);
        generator.generate(7, 3,
                           {{{Decoration::Star | Decoration::Color::Magenta, 5},
                             {Decoration::Poly | Decoration::Color::Yellow, 3},
                             {Decoration::Eraser | Decoration::White, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            4, 4,
            {{{Decoration::Star | Decoration::Color::Orange, 6},
              {Decoration::Star | Decoration::Color::Magenta, 6},
              {Decoration::Star | Decoration::Color::Green, 4}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.setFlag(Generate::FullGaps);
        generator.generate(5, 5,
                           {{{Decoration::Star | Decoration::Color::Magenta, 8},
                             {Decoration::Dot_Intersection, 9},
                             {Decoration::Gap, 5}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            4, 4,
            {{{Decoration::Star | Decoration::Color::Black, 4},
              {Decoration::Star | Decoration::Color::White, 4},
              {Decoration::Stone | Decoration::Color::Black, 2},
              {Decoration::Stone | Decoration::Color::White, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            5, 5,
            {{{Decoration::Poly | Decoration::Color::Orange, 2},
              {Decoration::Poly | Decoration::Color::Magenta, 1},
              {Decoration::Star | Decoration::Color::Magenta, 3}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.setFlag(Generate::RequireCombineShapes);
        generator.generate(
            5, 5,
            {{{Decoration::Poly | Decoration::Color::Orange, 1},
              {Decoration::Poly | Decoration::Can_Rotate |
                   Decoration::Color::Orange,
               1},
              {Decoration::Star | Decoration::Color::Magenta, 4},
              {Decoration::Star | Decoration::Color::Green, 4}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4,
            {{{Decoration::Poly | Decoration::Color::Orange, 3},
              {Decoration::Stone | Decoration::Color::White, 2},
              {Decoration::Stone | Decoration::Color::Black, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(4, 4,
                           {{{Decoration::Dot_Intersection, 25},
                             {Decoration::Poly | Decoration::Can_Rotate |
                                  Decoration::Color::Yellow,
                              2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::SmallShapes);
        generator.generate(
            5, 5,
            {{{Decoration::Poly | Decoration::Can_Rotate |
                   Decoration::Color::Yellow,
               4},
              {Decoration::Star | Decoration::Color::Orange, 6}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(5, 5,
                           {{{Decoration::Poly | Decoration::Color::Yellow, 3},
                             {Decoration::Gap, 5}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            5, 5, {{{Decoration::Poly | Decoration::Color::Yellow, 4}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::DisconnectShapes);
        generator.generate(
            4, 4, {{{Decoration::Poly | Decoration::Color::Yellow, 3}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(5, 5,
                           {{{Decoration::Poly | Decoration::Can_Rotate |
                                  Decoration::Color::Yellow,
                              2},
                             {Decoration::Poly | Decoration::Color::Yellow, 1},
                             {Decoration::Gap, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::BigShapes);
        generator.generate(5, 5,
                           {{{Decoration::Poly | Decoration::Can_Rotate |
                                  Decoration::Color::Yellow,
                              3}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            5, 6, {{{Decoration::Poly | Decoration::Color::Yellow, 5}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::BigShapes);
        generator.generate(4, 4,
                           {{{Decoration::Poly | Decoration::Color::Yellow, 2},
                             {Decoration::Poly | Decoration::Negative |
                                  Decoration::Color::Blue,
                              2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(4, 4,
                           {{{Decoration::Poly | Decoration::Color::Yellow, 3},
                             {Decoration::Poly | Decoration::Negative |
                                  Decoration::Color::Blue,
                              2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4, {{{Decoration::Triangle | Decoration::Color::Orange, 8}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::LongestPath);
        generator.setFlag(Generate::FullGaps);
        generator.generate(
            6, 6,
            {{{Decoration::Dot_Intersection, 12}, {Decoration::Gap, 18}}});
      },
      [](Generate& generator) {
        generator.generate(5, 5,
                           {{{Decoration::Start, 8},
                             {Decoration::Exit, 1},
                             {Decoration::Dot_Intersection, 36}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setSymmetry(Panel::Horizontal);
        generator.generate(
            6, 6,
            {{{Decoration::Triangle | Decoration::Color::Orange, 12},
              {Decoration::Start, 1},
              {Decoration::Exit, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4,
            {{{Decoration::Dot, 4},
              {Decoration::Stone | Decoration::Color::Black, 2},
              {Decoration::Stone | Decoration::Color::White, 2},
              {Decoration::Star | Decoration::Color::Black, 2},
              {Decoration::Star | Decoration::Color::White, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4,
            {{{Decoration::Dot, 4},
              {Decoration::Stone | Decoration::Color::Black, 1},
              {Decoration::Stone | Decoration::Color::White, 3},
              {Decoration::Star | Decoration::Color::Black, 3},
              {Decoration::Star | Decoration::Color::White, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            5, 5,
            {{{Decoration::Poly | Decoration::Color::Yellow, 2},
              {Decoration::Stone | Decoration::Color::Black, 4},
              {Decoration::Stone | Decoration::Color::White, 4}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            5, 5,
            {{{Decoration::Stone | Decoration::Color::Cyan, 2},
              {Decoration::Stone | Decoration::Color::Yellow, 2},
              {Decoration::Star | Decoration::Color::Cyan, 3},
              {Decoration::Star | Decoration::Color::Yellow, 3}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            6, 6,
            {{{Decoration::Stone | Decoration::Color::Cyan, 2},
              {Decoration::Stone | Decoration::Color::Magenta, 2},
              {Decoration::Star | Decoration::Color::Cyan, 2},
              {Decoration::Star | Decoration::Color::Magenta, 1},
              {Decoration::Poly | Decoration::Color::Cyan, 1},
              {Decoration::Poly | Decoration::Color::Magenta, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            5, 5, {{{Decoration::Triangle | Decoration::Color::Orange, 10}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            5, 3,
            {{{Decoration::Stone | Decoration::Color::Black, 4},
              {Decoration::Stone | Decoration::Color::White, 3},
              {Decoration::Triangle | Decoration::Color::Orange, 4}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4,
            {{{Decoration::Dot, 25},
              {Decoration::Triangle | Decoration::Color::Orange, 6}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::RequireCombineShapes);
        generator.setSymmetry(Panel::Rotational);
        generator.generate(
            5, 5, {{{Decoration::Poly | Decoration::Color::Yellow, 3}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::DisconnectShapes);
        generator.setFlag(Generate::BigShapes);
        generator.generate(
            5, 5, {{{Decoration::Poly | Decoration::Color::Yellow, 3}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::DisconnectShapes);
        generator.generate(4, 4,
                           {{{Decoration::Poly | Decoration::Color::Yellow, 3},
                             {Decoration::Poly | Decoration::Color::Blue |
                                  Decoration::Negative,
                              1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4,
            {{{Decoration::Stone | Decoration::Color::Black, 3},
              {Decoration::Stone | Decoration::Color::White, 3},
              {Decoration::Triangle | Decoration::Color::Orange, 4}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4,
            {{{Decoration::Star | Decoration::Color::Black, 4},
              {Decoration::Star | Decoration::Color::White, 4},
              {Decoration::Triangle | Decoration::Color::Orange, 4}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4,
            {{{Decoration::Star | Decoration::Color::Orange, 3},
              {Decoration::Triangle | Decoration::Color::Orange, 4}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4,
            {{{Decoration::Star | Decoration::Color::Black, 2},
              {Decoration::Star | Decoration::Color::Orange, 2},
              {Decoration::Stone | Decoration::Color::Black, 1},
              {Decoration::Stone | Decoration::Color::Orange, 1},
              {Decoration::Triangle | Decoration::Color::Orange, 4}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::BigShapes);
        generator.generate(
            4, 4,
            {{{Decoration::Poly | Decoration::Color::Yellow |
                   Decoration::Can_Rotate,
               1},
              {Decoration::Triangle | Decoration::Color::Orange, 3}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::BigShapes);
        generator.generate(
            5, 5,
            {{{Decoration::Poly | Decoration::Color::Yellow |
                   Decoration::Can_Rotate,
               1},
              {Decoration::Triangle | Decoration::Color::Orange, 6}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::BigShapes);
        generator.generate(
            5, 5,
            {{{Decoration::Poly | Decoration::Color::Yellow, 2},
              {Decoration::Triangle | Decoration::Color::Orange, 4}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4,
            {{{Decoration::Dot, 25},
              {Decoration::Triangle | Decoration::Color::Orange, 4}}});
      },
      [](Generate& generator) {
        generator.setSymbol(Decoration::Start, 0, 4 * 2);
        generator.setSymbol(Decoration::Exit, 0, 0);
        generator.generate(
            4, 4,
            {{{Decoration::Dot, 25},
              {Decoration::Triangle | Decoration::Color::Orange, 5}}});
      },
      [](Generate& generator) {
        generator.setSymbol(Decoration::Start, 0, 4 * 2);
        generator.setSymbol(Decoration::Exit, 4 * 2, 4 * 2);
        generator.generate(
            4, 4,
            {{{Decoration::Dot, 25},
              {Decoration::Triangle | Decoration::Color::Orange, 5}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4,
            {{{Decoration::Dot, 25},
              {Decoration::Triangle | Decoration::Color::Orange, 6}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::DisconnectShapes);
        generator.generate(5, 5,
                           {{{Decoration::Poly | Decoration::Color::Yellow |
                                  Decoration::Can_Rotate,
                              3}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            4, 4,
            {{{Decoration::Star | Decoration::Color::Black, 4},
              {Decoration::Star | Decoration::Color::White, 4},
              {Decoration::Star | Decoration::Color::Orange, 4},
              {Decoration::Stone | Decoration::Color::Black, 1},
              {Decoration::Stone | Decoration::Color::White, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            3, 3,
            {{{Decoration::Stone | Decoration::Color::Magenta, 2},
              {Decoration::Stone | Decoration::Color::Green, 1},
              {Decoration::Star | Decoration::Color::Magenta, 2},
              {Decoration::Star | Decoration::Color::Green, 3},
              {Decoration::Eraser | Decoration::Color::Magenta, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4,
            {{{Decoration::Dot_Intersection, 25},
              {Decoration::Poly | Decoration::Color::Yellow, 3}}});
      },
      [](Generate& generator) {
        generator.setSymbol(Decoration::Start, 2 * 2, 2 * 2);
        generator.setSymbol(Decoration::Exit, 4 * 2, 0);
        generator.generate(4, 4,
                           {{{Decoration::Dot_Intersection, 25},
                             {Decoration::Poly | Decoration::Color::Yellow |
                                  Decoration::Can_Rotate,
                              2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            5, 5,
            {{{Decoration::Poly | Decoration::Color::Green, 4},
              {Decoration::Star | Decoration::Color::Green, 3}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4, {{{Decoration::Triangle2 | Decoration::Color::Orange, 12}}});
      },
      [](Generate& generator) {
        generator.setSymbol(Decoration::Exit, 0, 0);
        generator.setSymbol(Decoration::Exit, 7 * 2, 0);
        generator.setSymbol(Decoration::Exit, 7 * 2, 7 * 2);
        generator.generate(
            7, 7,
            {{{Decoration::Triangle | Decoration::Color::Orange, 12},
              {Decoration::Start, 3}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            4, 4,
            {{{Decoration::Star | Decoration::Color::Orange, 1},
              {Decoration::Triangle | Decoration::Color::Orange, 7}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            4, 4,
            {{{Decoration::Star | Decoration::Color::Orange, 3},
              {Decoration::Star | Decoration::Color::Magenta, 2},
              {Decoration::Triangle | Decoration::Color::Orange, 2},
              {Decoration::Triangle | Decoration::Color::Magenta, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(4, 4,
                           {{{Decoration::Star | Decoration::Color::Magenta, 4},
                             {Decoration::Dot_Intersection, 25}}});
      },
      [](Generate& generator) {
        generator.setSymmetry(Panel::Symmetry::FlipNegXY);
        generator.generate(7, 7,
                           {{{Decoration::Gap, 10},
                             {Decoration::Dot_Intersection, 8},
                             {Decoration::Start, 2},
                             {Decoration::Exit, 1}}});
      },
      [](Generate& generator) {
        generator.setGridSize(7, 7);
        generator.setSymmetry(Panel::Symmetry::ParallelV);
        generator.generate(7, 7,
                           {{{Decoration::Gap, 12},
                             {Decoration::Dot_Intersection, 10},
                             {Decoration::Start, 2},
                             {Decoration::Exit, 1}}});
      },
      [](Generate& generator) {
        generator.setGridSize(7, 7);
        generator.setSymmetry(Panel::Symmetry::ParallelHFlip);
        generator.generate(7, 7,
                           {{{Decoration::Gap, 12},
                             {Decoration::Dot_Intersection, 10},
                             {Decoration::Start, 2},
                             {Decoration::Exit, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::StartEdgeOnly);
        generator.setSymbol(Decoration::Exit, 4 * 2, 0);
        generator.generate(4, 4,
                           {{{Decoration::Dot_Intersection, 25},
                             {Decoration::Poly | Decoration::Color::Yellow, 1},
                             {Decoration::Poly | Decoration::Color::Yellow |
                                  Decoration::Can_Rotate,
                              2},
                             {Decoration::Start, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setSymmetry(Panel::Vertical);
        generator.generate(
            7, 7, {{{Decoration::Poly | Decoration::Color::Yellow, 5}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            4, 4,
            {{{Decoration::Star | Decoration::Color::Black, 1},
              {Decoration::Star | Decoration::Color::White, 2},
              {Decoration::Stone | Decoration::Color::Black, 2},
              {Decoration::Stone | Decoration::Color::White, 1},
              {Decoration::Poly | Decoration::Can_Rotate | Decoration::Orange,
               1},
              {Decoration::Poly | Decoration::Orange, 1}}});
      },
  };

  Generate generator;

  int choice = Random::rand() % generator_fns.size();
  std::cout << "Generate MEDIUM: choice " << std::dec << choice << std::endl;

  generator_fns.at(choice)(generator);

  Rice::String str(generator.AsCode());
  return str;
}

Rice::Object wittle_generator_generate_expert(Rice::Object /* self */) {
  static std::vector<std::function<void(Generate&)>> generator_fns{
      [](Generate& generator) {
        generator.setFlag(Generate::StartEdgeOnly);
        generator.setSymmetry(Panel::Rotational);
        generator.generate(
            6, 6,
            {{{Decoration::Triangle | Decoration::Color::Orange, 12},
              {Decoration::Start, 1},
              {Decoration::Exit, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::StartEdgeOnly);
        generator.setFlag(Generate::WriteInvisible);
        generator.setSymmetry(Panel::Rotational);
        generator.generate(7, 7,
                           {{{Decoration::Dot | Decoration::Color::Blue, 4},
                             {Decoration::Dot | Decoration::Color::Yellow, 4},
                             {Decoration::Dot, 7},
                             {Decoration::Start, 1},
                             {Decoration::Exit, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::StartEdgeOnly);
        generator.setFlag(Generate::WriteInvisible);
        generator.setSymmetry(Panel::Rotational);
        generator.generate(7, 7,
                           {{{Decoration::Stone | Decoration::Color::Black, 6},
                             {Decoration::Stone | Decoration::Color::White, 6},
                             {Decoration::Start, 1},
                             {Decoration::Exit, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::StartEdgeOnly);
        generator.setFlag(Generate::WriteInvisible);
        generator.setSymmetry(Panel::Rotational);
        generator.generate(7, 7,
                           {{{Decoration::Star | Decoration::Color::Orange, 6},
                             {Decoration::Star | Decoration::Color::Green, 6},
                             {Decoration::Start, 1},
                             {Decoration::Exit, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::StartEdgeOnly);
        generator.setFlag(Generate::WriteInvisible);
        generator.setFlag(Generate::RequireCombineShapes);
        generator.setSymmetry(Panel::Rotational);
        generator.generate(5, 5,
                           {{{Decoration::Poly | Decoration::Color::Yellow, 3},
                             {Decoration::Start, 1},
                             {Decoration::Exit, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::StartEdgeOnly);
        generator.setFlag(Generate::WriteInvisible);
        generator.setSymmetry(Panel::Rotational);
        generator.generate(
            7, 7,
            {{{Decoration::Dot | Decoration::Color::Blue, 2},
              {Decoration::Dot | Decoration::Color::Yellow, 2},
              {Decoration::Dot, 8},
              {Decoration::Eraser | Decoration::Color::Purple, 1},
              {Decoration::Start, 1},
              {Decoration::Exit, 1}}});
      },
      [](Generate& generator) {
        generator.setSymbol(Decoration::Exit, 0, 0);
        generator.setSymbol(Decoration::Exit, 0, 4 * 4);
        generator.setSymbol(Decoration::Exit, 4 * 4, 0);
        generator.setSymbol(Decoration::Exit, 4 * 4, 4 * 4);
        generator.generate(8, 8,
                           {{{Decoration::Stone | Decoration::Color::White, 10},
                             {Decoration::Stone | Decoration::Color::Black, 10},
                             {Decoration::Dot_Intersection, 81},
                             {Decoration::Start, 8}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            6, 6,
            {{{Decoration::Dot_Intersection, 49},
              {Decoration::Poly | Decoration::Color::Orange, 1},
              {Decoration::Poly | Decoration::Color::Blue, 1},
              {Decoration::Poly | Decoration::Negative |
                   Decoration::Color::Blue,
               2},
              {Decoration::Poly | Decoration::Negative |
                   Decoration::Color::Orange,
               1},
              {Decoration::Star | Decoration::Color::Orange, 4},
              {Decoration::Star | Decoration::Color::Blue, 3},
              {Decoration::Triangle | Decoration::Color::Orange, 2},
              {Decoration::Triangle | Decoration::Color::Blue, 1},
              {Decoration::Stone | Decoration::Color::Orange, 1},
              {Decoration::Stone | Decoration::Color::Blue, 2},
              {Decoration::Eraser | Decoration::Color::White, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setSymmetry(Panel::Rotational);
        generator.generate(
            7, 7, {{{Decoration::Poly | Decoration::Color::Yellow, 5}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            5, 5,
            {{{Decoration::Poly | Decoration::Color::Yellow, 2},
              {Decoration::Poly | Decoration::Color::Yellow |
                   Decoration::Can_Rotate,
               1},
              {Decoration::Stone | Decoration::Color::Black, 5},
              {Decoration::Stone | Decoration::Color::White, 3}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::BigShapes);
        generator.generate(
            5, 5,
            {{{Decoration::Poly | Decoration::Color::Yellow |
                   Decoration::Can_Rotate,
               2},
              {Decoration::Triangle | Decoration::Color::Orange, 3},
              {Decoration::Stone | Decoration::Color::Black, 3},
              {Decoration::Stone | Decoration::Color::White, 3}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::StartEdgeOnly);
        generator.setSymbol(Decoration::Exit, 4 * 2, 0);
        generator.generate(5, 5,
                           {{{Decoration::Dot_Intersection, 36},
                             {Decoration::Poly | Decoration::Color::Yellow, 3},
                             {Decoration::Start, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::BigShapes);
        generator.setFlag(Generate::RequireCancelShapes);
        generator.generate(5, 5,
                           {{{Decoration::Poly | Decoration::Color::Yellow, 3},
                             {Decoration::Poly | Decoration::Negative |
                                  Decoration::Color::Blue,
                              3}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            5, 6,
            {{{Decoration::Dot_Intersection, 42},
              {Decoration::Poly | Decoration::Color::Yellow, 2},
              {Decoration::Poly | Decoration::Color::Yellow |
                   Decoration::Can_Rotate,
               1},
              {Decoration::Triangle | Decoration::Color::Orange, 3},
              {Decoration::Stone | Decoration::Color::Black, 2},
              {Decoration::Stone | Decoration::Color::White, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            5, 5,
            {{{Decoration::Poly | Decoration::Color::Yellow, 3},
              {Decoration::Poly | Decoration::Negative |
                   Decoration::Color::Blue,
               1},
              {Decoration::Stone | Decoration::Color::Black, 4},
              {Decoration::Stone | Decoration::Color::White, 3}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            5, 5,
            {{{Decoration::Poly | Decoration::Color::Yellow, 3},
              {Decoration::Poly | Decoration::Negative |
                   Decoration::Color::Blue,
               2},
              {Decoration::Triangle | Decoration::Color::Orange, 5}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            5, 5,
            {{{Decoration::Poly | Decoration::Color::Yellow, 3},
              {Decoration::Poly | Decoration::Negative |
                   Decoration::Color::Blue,
               1},
              {Decoration::Triangle | Decoration::Color::Orange, 3},
              {Decoration::Stone | Decoration::Color::Black, 2},
              {Decoration::Stone | Decoration::Color::White, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            5, 5,
            {{{Decoration::Poly | Decoration::Color::Yellow, 3},
              {Decoration::Poly | Decoration::Negative |
                   Decoration::Color::Blue,
               2},
              {Decoration::Triangle | Decoration::Color::Orange, 3},
              {Decoration::Stone | Decoration::Color::Black, 2},
              {Decoration::Stone | Decoration::Color::White, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::DisconnectShapes);
        generator.setFlag(Generate::BigShapes);
        generator.setSymbol(Decoration::Start, 0, 5 * 2);
        generator.setSymbol(Decoration::Exit, 0, 0);
        generator.generate(
            5, 5,
            {{{Decoration::Poly | Decoration::Color::Yellow, 2},
              {Decoration::Poly | Decoration::Negative |
                   Decoration::Color::Blue,
               1},
              {Decoration::Triangle | Decoration::Color::Orange, 3},
              {Decoration::Stone | Decoration::Color::Black, 2},
              {Decoration::Stone | Decoration::Color::White, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::BigShapes);
        generator.setSymbol(Decoration::Exit, 5 * 2, 0);
        generator.generate(5, 5,
                           {{{Decoration::Dot_Intersection, 36},
                             {Decoration::Poly | Decoration::Color::Yellow, 2},
                             {Decoration::Poly | Decoration::Negative |
                                  Decoration::Color::Blue,
                              1},
                             {Decoration::Start, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::BigShapes);
        generator.setSymbol(Decoration::Exit, 5 * 2, 0);
        generator.generate(5, 5,
                           {{{Decoration::Dot_Intersection, 36},
                             {Decoration::Poly | Decoration::Color::Yellow, 3},
                             {Decoration::Poly | Decoration::Negative |
                                  Decoration::Color::Blue,
                              2},
                             {Decoration::Start, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            5, 5,
            {{{Decoration::Star | Decoration::Color::Orange, 4},
              {Decoration::Triangle | Decoration::Color::Orange, 6}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            5, 5,
            {{{Decoration::Star | Decoration::Color::Orange, 6},
              {Decoration::Triangle | Decoration::Color::Orange, 5}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            5, 5,
            {{{Decoration::Star | Decoration::Color::Orange, 5},
              {Decoration::Triangle | Decoration::Color::Orange, 3},
              {Decoration::Stone | Decoration::Color::Orange, 3}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(5, 5,
                           {{{Decoration::Poly | Decoration::Color::Orange, 3},
                             {Decoration::Poly | Decoration::Negative |
                                  Decoration::Color::Blue,
                              1},
                             {Decoration::Star | Decoration::Color::Orange, 5},
                             {Decoration::Star | Decoration::Color::Blue, 3}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(5, 5,
                           {{{Decoration::Poly | Decoration::Color::Orange, 3},
                             {Decoration::Poly | Decoration::Negative |
                                  Decoration::Color::Blue,
                              2},
                             {Decoration::Star | Decoration::Color::Orange, 5},
                             {Decoration::Star | Decoration::Color::Blue, 3}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            5, 5,
            {{{Decoration::Poly | Decoration::Color::Orange, 1},
              {Decoration::Poly | Decoration::Color::Magenta, 2},
              {Decoration::Poly | Decoration::Negative |
                   Decoration::Color::Orange,
               2},
              {Decoration::Poly | Decoration::Negative |
                   Decoration::Color::Blue,
               2},
              {Decoration::Star | Decoration::Color::Orange, 3},
              {Decoration::Star | Decoration::Color::Blue, 3},
              {Decoration::Star | Decoration::Color::Magenta, 3}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            5, 5,
            {{{Decoration::Poly | Decoration::Color::Magenta, 2},
              {Decoration::Poly | Decoration::Negative |
                   Decoration::Color::Blue,
               2},
              {Decoration::Star | Decoration::Color::Magenta, 3},
              {Decoration::Star | Decoration::Color::Blue, 3},
              {Decoration::Triangle | Decoration::Color::Magenta, 2},
              {Decoration::Triangle | Decoration::Color::Blue, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            5, 5,
            {{{Decoration::Poly | Decoration::Color::Orange, 1},
              {Decoration::Poly | Decoration::Color::Blue, 1},
              {Decoration::Poly | Decoration::Color::Green, 1},
              {Decoration::Poly | Decoration::Negative |
                   Decoration::Color::Blue,
               1},
              {Decoration::Poly | Decoration::Negative |
                   Decoration::Color::Magenta,
               2},
              {Decoration::Star | Decoration::Color::Green, 2},
              {Decoration::Star | Decoration::Color::Magenta, 1},
              {Decoration::Star | Decoration::Color::Orange, 1},
              {Decoration::Star | Decoration::Color::Blue, 2},
              {Decoration::Triangle | Decoration::Color::Magenta, 2},
              {Decoration::Triangle | Decoration::Color::Orange, 1},
              {Decoration::Triangle | Decoration::Color::Green, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            5, 5,
            {{{Decoration::Star | Decoration::Color::Orange, 4},
              {Decoration::Star | Decoration::Color::Magenta, 4},
              {Decoration::Triangle | Decoration::Color::Orange, 2},
              {Decoration::Triangle | Decoration::Color::Magenta, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            5, 5,
            {{{Decoration::Star | Decoration::Color::Orange, 3},
              {Decoration::Star | Decoration::Color::Magenta, 3},
              {Decoration::Star | Decoration::Color::Green, 6},
              {Decoration::Triangle | Decoration::Color::Orange, 2},
              {Decoration::Triangle | Decoration::Color::Magenta, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            5, 5,
            {{{Decoration::Star | Decoration::Color::Orange, 4},
              {Decoration::Star | Decoration::Color::Magenta, 4},
              {Decoration::Star | Decoration::Color::Green, 6},
              {Decoration::Triangle | Decoration::Color::Orange, 1},
              {Decoration::Triangle | Decoration::Color::Magenta, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            5, 5,
            {{{Decoration::Star | Decoration::Color::Orange, 2},
              {Decoration::Star | Decoration::Color::Magenta, 2},
              {Decoration::Star | Decoration::Color::White, 2},
              {Decoration::Star | Decoration::Color::Green, 2},
              {Decoration::Star | Decoration::Color::Black, 2},
              {Decoration::Triangle | Decoration::Color::Orange, 1},
              {Decoration::Triangle | Decoration::Color::Magenta, 1},
              {Decoration::Triangle | Decoration::Color::White, 1},
              {Decoration::Triangle | Decoration::Color::Green, 1},
              {Decoration::Triangle | Decoration::Color::Black, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(5, 5,
                           {{{Decoration::Star | Decoration::Color::Magenta, 4},
                             {Decoration::Star | Decoration::Color::Orange, 6},
                             {Decoration::Dot_Intersection, 36}}});
      },
      [](Generate& generator) {
        generator.setGridSize(7, 7);
        generator.setFlag(Generate::RequireCombineShapes);
        generator.setSymmetry(Panel::ParallelV);
        generator.setSymbol(Decoration::Start, 0, 14);
        generator.setSymbol(Decoration::Start, 8, 14);
        generator.setSymbol(Decoration::Exit, 6, 0);
        generator.setSymbol(Decoration::Exit, 14, 0);
        generator.generate(
            7, 7, {{{Decoration::Poly | Decoration::Color::Orange, 5}}});
      },
      [](Generate& generator) {
        generator.setGridSize(7, 7);
        generator.setFlag(Generate::RequireCombineShapes);
        generator.setSymmetry(Panel::ParallelHFlip);
        generator.setSymbol(Decoration::Start, 0, 14);
        generator.setSymbol(Decoration::Start, 14, 6);
        generator.setSymbol(Decoration::Exit, 0, 0);
        generator.setSymbol(Decoration::Exit, 14, 8);
        generator.generate(
            7, 7, {{{Decoration::Poly | Decoration::Color::Orange, 5}}});
      },
      [](Generate& generator) {
        generator.setGridSize(7, 7);
        generator.setFlag(Generate::RequireCombineShapes);
        generator.setSymmetry(Panel::ParallelVFlip);
        generator.setSymbol(Decoration::Start, 0, 14);
        generator.setSymbol(Decoration::Start, 8, 0);
        generator.setSymbol(Decoration::Exit, 6, 0);
        generator.setSymbol(Decoration::Exit, 14, 14);
        generator.generate(
            7, 7, {{{Decoration::Poly | Decoration::Color::Orange, 5}}});
      },
      [](Generate& generator) {
        generator.setSymmetry(Panel::Symmetry::RotateLeft);
        generator.setSymbol(Decoration::Start, 4, 4);
        generator.setSymbol(Decoration::Start, 10, 4);
        generator.setSymbol(Decoration::Start, 4, 10);
        generator.setSymbol(Decoration::Start, 10, 10);
        generator.setSymbol(Decoration::Exit, 4, 0);
        generator.setSymbol(Decoration::Exit, 14, 4);
        generator.setSymbol(Decoration::Exit, 0, 10);
        generator.setSymbol(Decoration::Exit, 10, 14);
        generator.generate(
            7, 7,
            {{{Decoration::Triangle4 | Decoration::Color::Orange, 1},
              {Decoration::Triangle | Decoration::Color::Orange, 4}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::WriteInvisible);
        generator.setFlag(Generate::StartEdgeOnly);
        generator.setSymmetry(Panel::Symmetry::FlipXY);
        generator.setSymbol(Decoration::Exit, 0, 8);
        generator.setSymbol(Decoration::Exit, 8, 0);
        generator.generate(7, 7,
                           {{{Decoration::Dot | Decoration::Color::Blue, 2},
                             {Decoration::Dot | Decoration::Color::Yellow, 2},
                             {Decoration::Dot, 8},
                             {Decoration::Eraser | Decoration::Color::White, 1},
                             {Decoration::Start, 1}}});
      },
      [](Generate& generator) {
        generator.setSymmetry(Panel::Symmetry::FlipXY);
        generator.setSymbol(Decoration::Start, 0, 16);
        generator.setSymbol(Decoration::Start, 16, 0);
        generator.setSymbol(Decoration::Exit, 8, 0);
        generator.setSymbol(Decoration::Exit, 8, 16);
        generator.setSymbol(Decoration::Exit, 0, 8);
        generator.setSymbol(Decoration::Exit, 16, 8);
        generator.generate(
            8, 8,
            {{{Decoration::Triangle | Decoration::Color::Cyan, 3},
              {Decoration::Triangle | Decoration::Color::Yellow, 2},
              {Decoration::Star | Decoration::Color::Cyan, 3},
              {Decoration::Star | Decoration::Color::Yellow, 3},
              {Decoration::Stone | Decoration::Color::Cyan, 2},
              {Decoration::Stone | Decoration::Color::Yellow, 3}}});
      },
      [](Generate& generator) {
        generator.setGridSize(7, 7);
        generator.setSymmetry((Random::rand() % 2) == 0
                                  ? Panel::Symmetry::Vertical
                                  : Panel::Symmetry::Horizontal);
        generator.setFlag(Generate::WriteInvisible);
        generator.setFlag(Generate::DisableDotIntersection);
        MakeSecretSymmetryGrid(generator);
        generator.generate(
            7, 7,
            {{{Decoration::Dot | Decoration::Color::Cyan, 2},
              {Decoration::Dot | Decoration::Color::Yellow, 2},
              {Decoration::Triangle | Decoration::Color::Orange, 4}}});
      },
      [](Generate& generator) {
        generator.setGridSize(7, 7);
        generator.setSymmetry((Random::rand() % 2) == 0
                                  ? Panel::Symmetry::ParallelH
                                  : Panel::Symmetry::ParallelV);
        generator.setFlag(Generate::WriteInvisible);
        generator.setFlag(Generate::DisableDotIntersection);
        MakeSecretSymmetryGrid(generator);
        generator.generate(
            7, 7,
            {{{Decoration::Dot | Decoration::Color::Cyan, 2},
              {Decoration::Dot | Decoration::Color::Yellow, 2},
              {Decoration::Triangle | Decoration::Color::Orange, 4}}});
      },
      [](Generate& generator) {
        generator.setGridSize(7, 7);
        generator.setSymmetry(Panel::Symmetry::Rotational);
        generator.setFlag(Generate::WriteInvisible);
        generator.setFlag(Generate::DisableDotIntersection);
        MakeSecretSymmetryGrid(generator);
        generator.generate(
            7, 7,
            {{{Decoration::Dot | Decoration::Color::Cyan, 2},
              {Decoration::Dot | Decoration::Color::Yellow, 2},
              {Decoration::Triangle | Decoration::Color::Orange, 4}}});
      },
      [](Generate& generator) {
        generator.setGridSize(7, 7);
        generator.setSymmetry((Random::rand() % 2) == 0
                                  ? Panel::Symmetry::ParallelHFlip
                                  : Panel::Symmetry::ParallelVFlip);
        generator.setFlag(Generate::WriteInvisible);
        generator.setFlag(Generate::DisableDotIntersection);
        MakeSecretSymmetryGrid(generator);
        generator.generate(
            7, 7,
            {{{Decoration::Dot | Decoration::Color::Cyan, 2},
              {Decoration::Dot | Decoration::Color::Yellow, 2},
              {Decoration::Triangle | Decoration::Color::Orange, 4}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4,
            {{{Decoration::Triangle | Decoration::Color::Orange, 15},
              {Decoration::Eraser | Decoration::Color::Purple, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4,
            {{{Decoration::Stone | Decoration::Color::White, 1},
              {Decoration::Stone | Decoration::Color::Black, 2},
              {Decoration::Stone | Decoration::Color::Red, 2},
              {Decoration::Star | Decoration::Color::White, 4},
              {Decoration::Star | Decoration::Color::Black, 3},
              {Decoration::Star | Decoration::Color::Red, 3},
              {Decoration::Decoration::Eraser | Decoration::Color::Green, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4,
            {{{Decoration::Poly | Decoration::Color::Yellow, 1},
              {Decoration::Poly | Decoration::Color::Yellow |
                   Decoration::Can_Rotate,
               1},
              {Decoration::Triangle | Decoration::Color::Orange, 3}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4,
            {{{Decoration::Poly | Decoration::Color::Yellow, 2},
              {Decoration::Poly | Decoration::Color::Yellow |
                   Decoration::Can_Rotate,
               1},
              {Decoration::Triangle | Decoration::Color::Orange, 2},
              {Decoration::Stone | Decoration::Color::Black, 2},
              {Decoration::Stone | Decoration::Color::White, 2}}});
      },
      [](Generate& generator) {
        generator.setSymbol(Decoration::Start, 4, 4);
        generator.setSymbol(Decoration::Exit, 8, 0);
        generator.generate(4, 4,
                           {{{Decoration::Poly | Decoration::Color::Yellow |
                                  Decoration::Can_Rotate,
                              3},
                             {Decoration::Gap, 3}}});
      },
      [](Generate& generator) {
        generator.setSymbol(Decoration::Start, 4, 6);
        generator.setSymbol(Decoration::Exit, 10, 0);
        generator.generate(5, 5,
                           {{{Decoration::Poly | Decoration::Color::Yellow |
                                  Decoration::Can_Rotate,
                              3},
                             {Decoration::Gap, 3}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::DisconnectShapes);
        generator.setSymbol(Decoration::Start, 4, 6);
        generator.setSymbol(Decoration::Exit, 10, 0);
        generator.generate(5, 5,
                           {{{Decoration::Poly | Decoration::Color::Yellow |
                                  Decoration::Can_Rotate,
                              3}}});
      },
      [](Generate& generator) {
        generator.setSymbol(Decoration::Exit, 10, 0);
        generator.generate(5, 5,
                           {{{Decoration::Dot_Intersection, 36},
                             {Decoration::Poly | Decoration::Color::Yellow, 2},
                             {Decoration::Poly | Decoration::Color::Yellow |
                                  Decoration::Can_Rotate,
                              1},
                             {Decoration::Start, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::BigShapes);
        generator.setSymbol(Decoration::Exit, 10, 0);
        generator.generate(5, 5,
                           {{{Decoration::Dot_Intersection, 36},
                             {Decoration::Poly | Decoration::Color::Yellow, 3},
                             {Decoration::Start, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::DisconnectShapes);
        generator.setSymbol(Decoration::Exit, 10, 0);
        generator.generate(5, 5,
                           {{{Decoration::Dot_Intersection, 36},
                             {Decoration::Poly | Decoration::Color::Yellow, 3},
                             {Decoration::Start, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            4, 4,
            {{{Decoration::Triangle | Decoration::Color::Magenta, 4},
              {Decoration::Stone | Decoration::Color::Black, 2},
              {Decoration::Stone | Decoration::Color::White, 2},
              {Decoration::Star | Decoration::Color::Black, 1},
              {Decoration::Star | Decoration::Color::White, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            4, 4,
            {{{Decoration::Triangle | Decoration::Color::Orange, 2},
              {Decoration::Triangle | Decoration::Color::Magenta, 2},
              {Decoration::Star | Decoration::Color::Magenta, 2},
              {Decoration::Star | Decoration::Color::Green, 2},
              {Decoration::Stone | Decoration::Color::Orange, 2},
              {Decoration::Stone | Decoration::Color::Green, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            5, 4,
            {{{Decoration::Triangle | Decoration::Color::Green, 3},
              {Decoration::Triangle | Decoration::Color::Magenta, 2},
              {Decoration::Star | Decoration::Color::Magenta, 3},
              {Decoration::Star | Decoration::Color::Orange, 3},
              {Decoration::Stone | Decoration::Color::Orange, 2},
              {Decoration::Stone | Decoration::Color::Green, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            4, 4,
            {{{Decoration::Star | Decoration::Color::Black, 1},
              {Decoration::Star | Decoration::Color::White, 2},
              {Decoration::Stone | Decoration::Color::Black, 2},
              {Decoration::Stone | Decoration::Color::White, 1},
              {Decoration::Poly | Decoration::Can_Rotate | Decoration::Black,
               1},
              {Decoration::Poly | Decoration::Black, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            4, 4,
            {{{Decoration::Star | Decoration::Color::Black, 1},
              {Decoration::Star | Decoration::Color::White, 2},
              {Decoration::Stone | Decoration::Color::Black, 2},
              {Decoration::Stone | Decoration::Color::White, 1},
              {Decoration::Poly | Decoration::Can_Rotate | Decoration::Black,
               1},
              {Decoration::Poly | Decoration::White, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            5, 5,
            {{{Decoration::Star | Decoration::Color::Green, 2},
              {Decoration::Star | Decoration::Color::Magenta, 4},
              {Decoration::Stone | Decoration::Color::Green, 2},
              {Decoration::Stone | Decoration::Color::Magenta, 2},
              {Decoration::Poly | Decoration::Can_Rotate | Decoration::Green,
               1},
              {Decoration::Poly | Decoration::Green, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.setFlag(Generate::BigShapes);
        generator.generate(
            5, 5,
            {{{Decoration::Star | Decoration::Color::Green, 3},
              {Decoration::Star | Decoration::Color::Magenta, 4},
              {Decoration::Stone | Decoration::Color::Green, 2},
              {Decoration::Stone | Decoration::Color::Magenta, 2},
              {Decoration::Poly | Decoration::Can_Rotate | Decoration::Green,
               1},
              {Decoration::Poly | Decoration::Magenta, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            5, 5,
            {{{Decoration::Star | Decoration::Color::Black, 2},
              {Decoration::Star | Decoration::Color::White, 3},
              {Decoration::Stone | Decoration::Color::Black, 2},
              {Decoration::Stone | Decoration::Color::White, 1},
              {Decoration::Triangle | Decoration::Color::Black, 2},
              {Decoration::Triangle | Decoration::Color::White, 1},
              {Decoration::Poly | Decoration::Can_Rotate | Decoration::Black,
               1},
              {Decoration::Poly | Decoration::White, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            5, 5,
            {{{Decoration::Star | Decoration::Color::Black, 3},
              {Decoration::Star | Decoration::Color::White, 3},
              {Decoration::Stone | Decoration::Color::Black, 1},
              {Decoration::Stone | Decoration::Color::White, 1},
              {Decoration::Poly | Decoration::Can_Rotate | Decoration::Black,
               1},
              {Decoration::Poly | Decoration::Can_Rotate | Decoration::White,
               1},
              {Decoration::Triangle | Decoration::Black, 1},
              {Decoration::Triangle | Decoration::White, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4,
            {{{Decoration::Star | Decoration::White, 3},
              {Decoration::Star | Decoration::Black, 8},
              {Decoration::Star | Decoration::Magenta, 6},
              {Decoration::Eraser | Decoration::Color::White, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::DisconnectShapes);
        generator.generate(
            4, 4,
            {{{Decoration::Poly | Decoration::Color::Yellow, 4},
              {Decoration::Eraser | Decoration::Color::White, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4,
            {{{Decoration::Poly | Decoration::Color::Yellow, 4},
              {Decoration::Poly | Decoration::Negative |
                   Decoration::Color::Blue,
               1},
              {Decoration::Eraser | Decoration::Color::White, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::DisconnectShapes);
        generator.generate(
            4, 4,
            {{{Decoration::Poly | Decoration::Color::Yellow, 3},
              {Decoration::Poly | Decoration::Negative |
                   Decoration::Color::Blue,
               1},
              {Decoration::Eraser | Decoration::Color::White, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(4, 4,
                           {{{Decoration::Star | Decoration::Color::Green, 7},
                             {Decoration::Star | Decoration::Color::Orange, 5},
                             {Decoration::Eraser | Decoration::Green, 1},
                             {Decoration::Eraser | Decoration::Orange, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(5, 5,
                           {{{Decoration::Star | Decoration::Color::Magenta, 8},
                             {Decoration::Star | Decoration::Color::Orange, 6},
                             {Decoration::Star | Decoration::Color::Green, 4},
                             {Decoration::Eraser | Decoration::Magenta, 1},
                             {Decoration::Eraser | Decoration::Orange, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4,
            {{{Decoration::Poly | Decoration::Color::Green, 4},
              {Decoration::Eraser | Decoration::Color::White, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::DisconnectShapes);
        generator.generate(
            4, 4,
            {{{Decoration::Poly | Decoration::Color::Green, 4},
              {Decoration::Eraser | Decoration::Color::White, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            4, 4,
            {{{Decoration::Poly | Decoration::Color::Green, 2},
              {Decoration::Poly | Decoration::Color::Magenta, 1},
              {Decoration::Star | Decoration::Color::Green, 2},
              {Decoration::Star | Decoration::Color::Magenta, 2},
              {Decoration::Eraser | Decoration::Color::White, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(6, 3,
                           {{{Decoration::Star | Decoration::Color::Orange, 4},
                             {Decoration::Poly | Decoration::Color::Orange, 2},
                             {Decoration::Poly | Decoration::Negative |
                                  Decoration::Color::Magenta,
                              2},
                             {Decoration::Eraser | Decoration::White, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(6, 3,
                           {{{Decoration::Star | Decoration::Color::Magenta, 2},
                             {Decoration::Star | Decoration::Color::Orange, 3},
                             {Decoration::Poly | Decoration::Color::Orange, 2},
                             {Decoration::Poly | Decoration::Negative |
                                  Decoration::Color::Magenta,
                              2},
                             {Decoration::Eraser | Decoration::White, 2}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::FalseParity);
        generator.setSymbol(Decoration::Exit, 0, 0);
        generator.setSymbol(Decoration::Exit, 16, 0);
        generator.setSymbol(Decoration::Exit, 0, 16);
        generator.setSymbol(Decoration::Exit, 16, 16);
        generator.generate(
            8, 8,
            {{{Decoration::Stone | Decoration::Color::White, 10},
              {Decoration::Stone | Decoration::Color::Black, 10},
              {Decoration::Dot_Intersection, 81},
              {Decoration::Start, 7},
              {Decoration::Eraser | Decoration::Color::Purple, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::TreehouseLayout);
        generator.generate(
            4, 5,
            {{{Decoration::Poly | Decoration::Color::Yellow, 3},
              {Decoration::Triangle | Decoration::Color::Orange, 5},
              {Decoration::Eraser | Decoration::Color::White, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.generate(
            5, 5,
            {{{Decoration::Poly | Decoration::Color::Yellow, 7},
              {Decoration::Stone | Decoration::Color::White, 3},
              {Decoration::Stone | Decoration::Color::Black, 3},
              {Decoration::Triangle | Decoration::Color::Orange, 6}}});
      },
      [](Generate& generator) {
        generator.setSymbol(Decoration::Exit, 10, 0);
        generator.generate(
            5, 5,
            {{{Decoration::Dot_Intersection, 36},
              {Decoration::Triangle1 | Decoration::Color::Orange, 4},
              {Decoration::Start, 1}}});
      },
      [](Generate& generator) {
        generator.setSymbol(Decoration::Exit, 10, 0);
        generator.generate(
            5, 5,
            {{{Decoration::Dot_Intersection, 36},
              {Decoration::Triangle3 | Decoration::Color::Orange, 6},
              {Decoration::Start, 1}}});
      },
      [](Generate& generator) {
        generator.setSymbol(Decoration::Exit, 10, 0);
        generator.generate(
            5, 5,
            {{{Decoration::Dot_Intersection, 36},
              {Decoration::Triangle2 | Decoration::Color::Orange, 10},
              {Decoration::Start, 1}}});
      },
      [](Generate& generator) {
        generator.setSymbol(Decoration::Exit, 10, 0);
        generator.generate(
            5, 5,
            {{{Decoration::Dot_Intersection, 36},
              {Decoration::Triangle | Decoration::Color::Orange, 8},
              {Decoration::Start, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::FalseParity);
        generator.generate(
            5, 5,
            {{{Decoration::Dot_Intersection, 36},
              {Decoration::Triangle | Decoration::Color::Orange, 7},
              {Decoration::Eraser | Decoration::Color::White, 1}}});
      },
      [](Generate& generator) {
        generator.setFlag(Generate::RegularStartEnd);
        generator.setFlag(Generate::SmallShapes);
        generator.generate(
            5, 5,
            {{{Decoration::Poly | Decoration::Can_Rotate |
                   Decoration::Color::Orange,
               3},
              {Decoration::Poly | Decoration::Can_Rotate |
                   Decoration::Color::Magenta,
               2},
              {Decoration::Star | Decoration::Color::Orange, 4},
              {Decoration::Star | Decoration::Color::Magenta, 5}}});
      },
  };

  Generate generator;

  int choice = Random::rand() % generator_fns.size();
  std::cout << "Generate EXPERT: choice " << std::dec << choice << std::endl;

  generator_fns.at(choice)(generator);

  Rice::String str(generator.AsCode());
  return str;
}

extern "C" void Init_wittle_generator() {
  Rice::Class rb_cWittleGenerator =
      Rice::define_class("WittleGenerator")
          .define_method("generate_easy", &wittle_generator_generate_easy)
          .define_method("generate_medium", &wittle_generator_generate_medium)
          .define_method("generate_expert", &wittle_generator_generate_expert);
}