World two hundred and twenty-seven is with special room for boxes, situated at the center.
Step by step solution
Go RIGHT, UP, UP, LEFT, UP, UP, RIGHT and push DOWN. Go RIGHT, push DOWN, go UP, LEFT, LEFT, DOWN, push RIGHT, go DOWN, push RIGHT, RIGHT, go DOWN, RIGHT, RIGHT, UP, UP, LEFT, push DOWN, DOWN, go RIGHT, DOWN and push LEFT.
Go UP, UP, LEFT, LEFT, LEFT, UP, UP, RIGHT, push DOWN, go LEFT, DOWN, push RIGHT, RIGHT, go DOWN, RIGHT, RIGHT, UP, UP, LEFT, push DOWN, go RIGHT, DOWN and push LEFT.
Go RIGHT, UP, UP, RIGHT, RIGHT, UP, push LEFT and LEFT. Go UP, LEFT, push DOWN, DOWN, DOWN and DOWN.
Go UP, UP, UP, RIGHT, UP, UP, UP, LEFT and push DOWN.
Go LEFT, LEFT, UP, LEFT, push DOWN, DOWN, DOWN, go LEFT, DOWN, push RIGHT, go UP, RIGHT, push DOWN, go LEFT, DOWN, push RIGHT, RIGHT and RIGHT. Go DOWN, RIGHT, push UP, go LEFT, UP and push RIGHT. Go UP, LEFT, push UP, go RIGHT, UP and push LEFT. Go DOWN, DOWN, DOWN, DOWN, DOWN, RIGHT, DOWN and push RIGHT. Go DOWN, DOWN, LEFT, LEFT, LEFT, LEFT, LEFT, push UP, UP, UP, UP, go RIGHT, UP, UP, LEFT, LEFT, DOWN, push RIGHT, go UP, RIGHT, push DOWN, go LEFT, DOWN, push RIGHT and RIGHT. Go LEFT, LEFT, DOWN, DOWN, DOWN, RIGHT, DOWN, RIGHT, RIGHT, RIGHT, RIGHT, UP, UP, LEFT, UP, LEFT, push UP, UP, UP and UP. Go DOWN, DOWN, DOWN, LEFT, LEFT, LEFT, UP, LEFT, UP, LEFT and push DOWN. Go UP, RIGHT, UP, RIGHT, UP, UP, LEFT, LEFT, DOWN, push DOWN, go LEFT, LEFT, DOWN, DOWN, push RIGHT, RIGHT, RIGHT, RIGHT, go UP, RIGHT, push DOWN, go LEFT, DOWN, push RIGHT and RIGHT. Go LEFT, LEFT, DOWN, DOWN, DOWN, RIGHT, DOWN, RIGHT, RIGHT, RIGHT, RIGHT, UP, UP, LEFT, UP, LEFT, push UP and UP.
Go DOWN, LEFT, LEFT, LEFT, DOWN, LEFT, LEFT and push UP. Go LEFT, UP, push RIGHT, RIGHT, UP, go UP, LEFT and push DOWN. Go RIGHT, DOWN, push RIGHT, go UP, RIGHT and push DOWN. Go LEFT, DOWN, push RIGHT, RIGHT, go LEFT, LEFT, DOWN, DOWN, DOWN, RIGHT, DOWN, RIGHT, RIGHT, RIGHT, RIGHT, UP, UP, LEFT, UP, UP, UP, LEFT and push DOWN. Go RIGHT, UP, UP, UP, LEFT, push DOWN, DOWN, go RIGHT, DOWN, DOWN, DOWN, RIGHT, DOWN, RIGHT, RIGHT, UP, RIGHT, UP, UP, UP, UP, push LEFT, LEFT, LEFT and LEFT. Go DOWN, DOWN, DOWN, DOWN, RIGHT, DOWN, DOWN, LEFT, LEFT, LEFT, LEFT, LEFT, UP, UP, UP, UP, RIGHT, RIGHT and push RIGHT.
Go UP, RIGHT and push DOWN. Go UP, UP, UP, LEFT and push DOWN. Go RIGHT, RIGHT, RIGHT, DOWN and push LEFT. Go UP, LEFT, UP, UP, UP, LEFT and push DOWN. Go RIGHT, DOWN, DOWN, RIGHT, RIGHT, RIGHT, RIGHT, DOWN, DOWN, DOWN, DOWN, LEFT and push UP. Go LEFT, push UP, UP, go DOWN, DOWN, RIGHT, RIGHT, UP, UP, UP, LEFT, push LEFT, LEFT and LEFT. Go RIGHT, RIGHT, RIGHT, RIGHT, DOWN, DOWN, push LEFT, go DOWN, LEFT, push UP, UP, go DOWN, RIGHT, RIGHT, UP, UP, LEFT, push LEFT and LEFT. Go RIGHT, DOWN, DOWN, DOWN, RIGHT, DOWN, push LEFT and LEFT. Go DOWN, DOWN, LEFT, LEFT, LEFT, LEFT, LEFT, UP, UP, LEFT, LEFT, UP, UP, LEFT, UP, push RIGHT, RIGHT and RIGHT.
Go UP, RIGHT, push DOWN, go LEFT, DOWN, push RIGHT, RIGHT and RIGHT.
Go LEFT, LEFT, LEFT, DOWN, LEFT, DOWN, LEFT, LEFT, push UP, UP, go RIGHT, UP, UP, UP, LEFT, LEFT, DOWN, DOWN, push RIGHT, RIGHT, RIGHT, RIGHT, go UP, UP, UP, RIGHT, push RIGHT, RIGHT, go UP, RIGHT and push DOWN.
Go LEFT, LEFT, LEFT, LEFT, DOWN, DOWN, RIGHT, push DOWN, go LEFT, DOWN, push RIGHT and RIGHT.
Go LEFT, LEFT, DOWN, DOWN, DOWN, DOWN, push LEFT, LEFT, go DOWN, LEFT, push UP, UP, UP, UP, UP, go RIGHT, UP, UP, UP, LEFT, LEFT, DOWN, DOWN, push RIGHT, RIGHT, RIGHT, RIGHT, go UP, RIGHT, push DOWN, go LEFT, DOWN and push RIGHT.
Congratulations. You have completed world two hundred and twenty-seven. Get ready for world two hundred and twenty-eight.