connections { from { port { room: "First Room" name: "NEXT" } } to { port { room: "Second Room" name: "ENTRY" } } oneway: true } connections { from { port { room: "Second Room" name: "NEXT" } } to { port { room: "Third Room" name: "ENTRY" } } oneway: true } connections { from_room: "Third Room" to_room: "S Room" door { name: "S1 Door" } }