World four hundred and ten is forming a plus sign at the end.
Step by step solution
Go RIGHT, RIGHT and push RIGHT. Go UP and push LEFT. Go DOWN, LEFT, LEFT, UP, UP, UP, UP, UP, RIGHT, UP, RIGHT, RIGHT, RIGHT, RIGHT, DOWN, RIGHT, DOWN, DOWN and push LEFT. Go RIGHT, UP, UP, LEFT, UP, LEFT, LEFT, push DOWN, DOWN, DOWN and DOWN. Go UP, UP, UP, UP, RIGHT, RIGHT, DOWN, RIGHT, DOWN, DOWN, LEFT and push DOWN. Go RIGHT, UP, UP, UP, LEFT and push DOWN. Go RIGHT, DOWN, DOWN, DOWN, DOWN, LEFT, push LEFT and LEFT. Push UP, go DOWN, RIGHT, RIGHT, RIGHT, UP, UP, LEFT and push UP. Go DOWN, RIGHT, DOWN, DOWN, LEFT and push UP. Push LEFT, go RIGHT, RIGHT, UP, UP, UP, UP, LEFT, UP, LEFT, LEFT, LEFT, LEFT, DOWN, LEFT, DOWN, DOWN, DOWN, DOWN, DOWN, RIGHT and push RIGHT.
Go UP and push RIGHT. Push UP, UP, UP and UP. Go DOWN, DOWN, DOWN, DOWN and push RIGHT. Go DOWN, RIGHT, RIGHT, UP, UP, UP, UP, UP, LEFT and push LEFT. Go UP and push LEFT. Push DOWN, go RIGHT, RIGHT, RIGHT, DOWN, DOWN, DOWN, DOWN, DOWN, LEFT, LEFT, UP, LEFT, LEFT, DOWN, LEFT, LEFT, UP, UP, UP, UP, UP, RIGHT and push RIGHT. Go LEFT, UP and push RIGHT. Go DOWN and push RIGHT. Push DOWN, DOWN, go UP, UP, LEFT, LEFT, LEFT, DOWN, DOWN, DOWN, DOWN, DOWN, RIGHT, RIGHT, UP, RIGHT, RIGHT, DOWN, RIGHT, RIGHT, UP, UP, UP, UP, UP, LEFT and push LEFT. Go UP and push LEFT.
Push DOWN, go RIGHT, RIGHT, RIGHT, DOWN, DOWN, LEFT, push UP, go RIGHT, UP, push LEFT and LEFT. Go RIGHT, RIGHT, DOWN, DOWN, DOWN, DOWN, DOWN, LEFT, LEFT, UP and push RIGHT. Push UP, go DOWN, LEFT, LEFT, LEFT, DOWN, LEFT, LEFT, UP, UP, UP and push RIGHT. Go LEFT, UP, UP, RIGHT, RIGHT and push RIGHT. Go LEFT, LEFT, LEFT, DOWN, DOWN, DOWN, DOWN, DOWN, RIGHT, RIGHT, UP and push LEFT. Go DOWN, LEFT, push UP, go RIGHT, RIGHT, RIGHT, RIGHT and push RIGHT. Go UP, RIGHT, UP, UP, LEFT, UP, UP, LEFT, LEFT, DOWN, LEFT, LEFT, LEFT, DOWN, DOWN, RIGHT and push DOWN.
Go UP, LEFT, UP, UP, RIGHT, RIGHT, RIGHT, UP, RIGHT, RIGHT, DOWN and push LEFT. Go RIGHT, DOWN, RIGHT, DOWN, DOWN, LEFT, DOWN, DOWN, RIGHT, push UP and UP.
Go DOWN, LEFT, LEFT, LEFT, LEFT, DOWN, push RIGHT and RIGHT. Go LEFT, LEFT, LEFT, LEFT, UP, push RIGHT and RIGHT. Go LEFT, UP, UP, LEFT, UP, UP, RIGHT, UP and push RIGHT. Go DOWN, LEFT, LEFT, DOWN, DOWN and push DOWN. Go UP, UP, UP, RIGHT and push DOWN. Go LEFT, DOWN, DOWN, RIGHT, DOWN, DOWN, LEFT, push UP and UP. Go DOWN, RIGHT, RIGHT, DOWN, RIGHT, RIGHT, UP, RIGHT, RIGHT, DOWN, push LEFT and LEFT.
Congratulations. You have completed world four hundred and ten. Get ready for world four hundred and eleven.