World two hundred and thirty-five is with fourteen boxes for placement in a tiny room.
Step by step solution
Go LEFT, UP, UP, LEFT, LEFT, DOWN, DOWN, LEFT, DOWN, DOWN, RIGHT, DOWN, RIGHT, push RIGHT, RIGHT, RIGHT, RIGHT, RIGHT and RIGHT. Go UP, UP, UP, UP, UP, RIGHT, RIGHT, push DOWN and DOWN. Go UP, UP, LEFT, LEFT, DOWN, DOWN, DOWN, DOWN, DOWN, push RIGHT, go DOWN, RIGHT, RIGHT, UP, UP, UP and push LEFT.
Go RIGHT, DOWN, DOWN, DOWN, LEFT, LEFT, UP, push RIGHT, go DOWN, RIGHT, push UP and UP.
Go DOWN, LEFT, DOWN, DOWN, DOWN, LEFT, push UP, UP, go LEFT, UP, push RIGHT, RIGHT, go DOWN, RIGHT and push UP.
Go LEFT, DOWN, DOWN, DOWN, LEFT, LEFT, LEFT, UP, LEFT, LEFT, DOWN, push RIGHT, RIGHT, RIGHT, go DOWN, RIGHT, push UP, UP, go RIGHT, UP, UP, LEFT, LEFT, DOWN, push RIGHT and RIGHT.
Go LEFT, LEFT, UP, LEFT, LEFT, push DOWN, DOWN, go LEFT, DOWN, push RIGHT, RIGHT, RIGHT, go DOWN, RIGHT, push UP, UP, go RIGHT, UP, UP, LEFT, LEFT, DOWN and push RIGHT.
Go UP, LEFT, UP, UP, UP and push RIGHT. Go LEFT, UP, UP, RIGHT, RIGHT, DOWN and push DOWN.
Go LEFT, LEFT, DOWN, DOWN, DOWN, LEFT, LEFT, LEFT, LEFT, LEFT, LEFT, LEFT, DOWN, DOWN, RIGHT and push UP. Go LEFT, UP, push RIGHT, RIGHT, RIGHT and RIGHT. Go LEFT, LEFT, LEFT, LEFT, UP, LEFT, UP, UP, RIGHT, UP, UP, RIGHT, RIGHT, DOWN, DOWN, RIGHT, RIGHT and push RIGHT. Go DOWN, DOWN, push DOWN, DOWN, DOWN, go LEFT, DOWN, push RIGHT, RIGHT, RIGHT, go DOWN, RIGHT, push UP and UP.
Go DOWN, LEFT, LEFT, LEFT, UP, UP, UP, UP, UP, UP, push RIGHT, RIGHT, go UP, UP, RIGHT, RIGHT, DOWN, DOWN and push LEFT. Go RIGHT, UP, UP, LEFT, LEFT, DOWN, push DOWN, DOWN, DOWN and DOWN.
Go LEFT, LEFT, LEFT, LEFT, LEFT, LEFT, DOWN, DOWN, RIGHT, push UP, go LEFT, UP, push RIGHT, RIGHT, RIGHT, RIGHT, RIGHT, RIGHT, RIGHT and RIGHT.
Go LEFT, LEFT, LEFT, LEFT, LEFT, LEFT, UP and push RIGHT. Go DOWN, RIGHT, RIGHT, RIGHT, UP, UP, UP, LEFT, LEFT, DOWN, push DOWN, go LEFT, DOWN, push RIGHT, RIGHT, RIGHT and RIGHT.
Go LEFT, UP, UP, UP, UP, UP, LEFT and push DOWN. Go RIGHT, DOWN, DOWN, DOWN, DOWN, LEFT, LEFT, UP, UP, UP, push RIGHT, go UP, RIGHT, push DOWN, DOWN, DOWN, go UP, UP, LEFT, LEFT, DOWN, DOWN, DOWN, RIGHT and push RIGHT.
Go LEFT, LEFT, LEFT, LEFT, LEFT, LEFT, LEFT, UP, LEFT, UP, UP, RIGHT, push RIGHT, RIGHT, RIGHT, RIGHT, RIGHT, RIGHT, go UP, RIGHT, push DOWN, DOWN and DOWN.
Go UP, UP, LEFT, LEFT, LEFT, LEFT, LEFT, UP, UP, LEFT and push DOWN. Go LEFT, DOWN, push RIGHT, RIGHT, RIGHT, RIGHT, RIGHT, RIGHT, go UP, RIGHT, push DOWN and DOWN.
Go UP, LEFT, LEFT, LEFT, UP and push LEFT. Go DOWN, LEFT, LEFT, UP, UP, RIGHT, push DOWN, go LEFT, DOWN, push RIGHT, RIGHT, RIGHT, RIGHT, RIGHT, go UP, RIGHT and push DOWN.
Congratulations. You have completed world two hundred and thirty-five. Get ready for world two hundred and thirty-six.