.breadcrumb= link_to "← Back to home page", root_path
%h1 Archive
%table#archive
  %tr
    %th
    %th Normal
    %th Hard
    %th Expert
  - @puzzles.each do |date, dps|
    %tr{ class: cycle("even", "odd") }
      %td= date.strftime("%B %-d, %Y")
      %td
        - if dps.has_key? "normal"
          %ul
            - dps["normal"].each do |puzzle|
              %li= link_to "\##{puzzle.id}", puzzle
      %td
        - if dps.has_key? "hard"
          %ul
            - dps["hard"].each do |puzzle|
              %li= link_to "\##{puzzle.id}", puzzle
      %td
        - if dps.has_key? "expert"
          %ul
            - dps["expert"].each do |puzzle|
              %li= link_to "\##{puzzle.id}", puzzle