Classical Sokoban+puzzle game

push box is a type of transport puzzle, in which the player pushes boxes or crates around in a warehouse, trying to get them to storage locations. The game is played on a board of squares, where each square is a floor or a wall. Some floor squares contain boxes, and some floor squares are marked as storage locations. The player is confined to the board, and may move horizontally or vertically onto empty squares (never through walls or boxes). The player can also move into a box, which pushes