World four hundred and ninety-one have sixteen boxes for placement around the center.
Step by step solution
Go UP, UP, UP, LEFT, UP, UP, UP, UP, LEFT, UP, LEFT, LEFT and push DOWN. Push RIGHT, go DOWN, DOWN, LEFT and push UP. Push LEFT, go RIGHT, DOWN, DOWN, DOWN, push RIGHT and RIGHT. Go DOWN, DOWN, DOWN, RIGHT, RIGHT, UP, UP, UP and push LEFT. Go UP, UP, UP, UP and push LEFT. Go RIGHT, DOWN, DOWN, DOWN, DOWN and push LEFT. Go DOWN, DOWN, LEFT, LEFT, LEFT, LEFT, LEFT, LEFT, UP, UP, RIGHT, UP, UP, RIGHT and push RIGHT. Go UP, RIGHT, RIGHT, DOWN, push LEFT and LEFT. Go RIGHT, DOWN, DOWN, push RIGHT and RIGHT. Go DOWN, DOWN, DOWN, RIGHT, RIGHT, UP, UP, UP, push LEFT and LEFT. Go DOWN, DOWN, LEFT, LEFT, push UP, UP, UP and UP.
Go LEFT, UP and push RIGHT. Go DOWN, DOWN, DOWN, DOWN, DOWN, LEFT, LEFT, LEFT, LEFT, UP, UP, RIGHT, UP, UP and push RIGHT. Go LEFT, UP and push RIGHT. Go LEFT, DOWN, DOWN, DOWN, push DOWN, go LEFT, DOWN, push RIGHT, RIGHT, RIGHT and RIGHT. Go UP, UP, push RIGHT and RIGHT. Go DOWN, DOWN, DOWN, RIGHT, RIGHT, UP, UP, UP, push LEFT and LEFT. Go DOWN, DOWN and push LEFT. Go RIGHT, UP, UP, RIGHT, UP, UP, UP, UP, LEFT, UP, LEFT, LEFT, push DOWN, DOWN, DOWN, DOWN and DOWN. Go LEFT and push LEFT. Push UP, go LEFT, UP, UP, RIGHT and push DOWN. Go LEFT, DOWN and push DOWN. Go LEFT, DOWN, DOWN, RIGHT, RIGHT, RIGHT, push RIGHT and RIGHT. Go LEFT, LEFT, LEFT, LEFT, LEFT, UP, UP, RIGHT, RIGHT, RIGHT, RIGHT and push DOWN.
Go UP, LEFT, LEFT, LEFT, LEFT, DOWN, DOWN, RIGHT, RIGHT, RIGHT and push RIGHT. Go UP, UP, LEFT, LEFT, LEFT, push DOWN, go LEFT, DOWN, push RIGHT and RIGHT. Go LEFT, UP, UP, RIGHT, RIGHT, RIGHT, UP, UP, UP, UP, UP, RIGHT, RIGHT, DOWN, RIGHT, DOWN, DOWN, DOWN, DOWN, LEFT, push LEFT, LEFT and LEFT. Go RIGHT, UP, UP, UP, UP and push RIGHT. Go LEFT, DOWN, DOWN, RIGHT and push UP. Push RIGHT, go LEFT, LEFT, UP, UP, RIGHT, RIGHT and push DOWN. Go UP, LEFT, LEFT, DOWN, DOWN, DOWN, DOWN, DOWN, LEFT and push LEFT. Push UP, go LEFT, UP, UP, RIGHT and push DOWN. Go LEFT, DOWN and push DOWN. Go RIGHT, RIGHT, RIGHT, RIGHT, RIGHT, RIGHT, RIGHT, DOWN, DOWN, DOWN, LEFT, LEFT and push UP.
Go DOWN, RIGHT, RIGHT, UP, UP, UP, LEFT, LEFT, LEFT, LEFT, DOWN, DOWN and push LEFT. Go RIGHT, UP, UP, UP, UP, UP, UP, UP, RIGHT, RIGHT, DOWN, RIGHT, push DOWN and DOWN. Go UP, UP, LEFT, UP, LEFT, LEFT, DOWN, DOWN, DOWN, DOWN, DOWN, LEFT and push DOWN. Go RIGHT, UP, UP, UP, UP, UP, UP, RIGHT, RIGHT, DOWN, push LEFT, go UP, LEFT, push DOWN, DOWN, DOWN, DOWN, DOWN and DOWN. Go UP, UP, UP, RIGHT and push RIGHT. Go LEFT, LEFT, DOWN, DOWN, LEFT, LEFT, LEFT, UP, UP, RIGHT, UP, push RIGHT, RIGHT, go UP, RIGHT and push DOWN. Go UP, RIGHT, RIGHT, DOWN, push LEFT, LEFT, go UP, LEFT, push DOWN, DOWN, DOWN, go UP, UP, LEFT, LEFT, LEFT, DOWN, DOWN, DOWN, RIGHT, RIGHT, push RIGHT and RIGHT.
Go LEFT, LEFT, LEFT, LEFT, UP, UP, RIGHT and push RIGHT. Go LEFT, LEFT, DOWN, DOWN, RIGHT, RIGHT, RIGHT, UP, push UP, go LEFT, UP and push RIGHT.
Go UP, RIGHT, RIGHT, DOWN, push LEFT, go UP, LEFT, UP, LEFT and push DOWN.
Go RIGHT, RIGHT, DOWN, RIGHT, DOWN, push LEFT and LEFT. Go DOWN, DOWN, LEFT, LEFT, LEFT, UP, UP, RIGHT and push RIGHT. Go LEFT, LEFT, DOWN, DOWN, LEFT, DOWN, DOWN, RIGHT, push UP, go LEFT, UP, push RIGHT, RIGHT, RIGHT, go DOWN, RIGHT and push UP.
Go LEFT, LEFT, LEFT, DOWN and push RIGHT. Go UP, RIGHT, RIGHT, RIGHT, push UP and UP.
Go DOWN, DOWN, LEFT, LEFT, LEFT, LEFT, UP, UP, RIGHT, push DOWN, go LEFT, DOWN and push RIGHT.
Go LEFT, UP, UP, UP, UP, push RIGHT, RIGHT, RIGHT, RIGHT, go UP, RIGHT and push DOWN.
Congratulations. You have completed world four hundred and ninety-one. Get ready for world four hundred and ninety-two.