 
     game
 
-  solve = (initial_game) ->
+  solve = (initialGame) ->
     checked = []
-    queue   = [initial_game]
+    queue   = [initialGame]
 
     while queue.length
       game = queue.pop()

          })

        for i in [1...@pieces.length]
          cloned_game.addPiece new Piece({
            x: @pieces[i].begin.x, y: @pieces[i].begin.y
          }, {
            x: @pieces[i].end.x, y: @pieces[i].end.y
          })

        cloned_game

  arrayToGame = (array) ->
    height = array.length

        true

      clone: ->
        clonedGame = new Game
          width: @width
          height: @height
          prisoner: new Piece({
