World four hundred and seventy-one looks easy at first sight, but it is a quite complex puzzle.
Step by step solution
Go RIGHT, RIGHT, RIGHT, RIGHT, push UP and UP. Push RIGHT, go UP, UP, UP, LEFT, LEFT, LEFT, DOWN, LEFT, LEFT, LEFT, DOWN and push DOWN. Go UP, UP, RIGHT, RIGHT, RIGHT, UP, RIGHT, RIGHT, RIGHT, DOWN, DOWN, DOWN, LEFT, DOWN, DOWN, LEFT, LEFT, LEFT, UP, UP and push LEFT. Push UP, go DOWN, DOWN, RIGHT, DOWN, RIGHT, RIGHT, RIGHT, UP, UP, RIGHT, UP, UP, UP, LEFT, LEFT, LEFT, DOWN, LEFT and push LEFT. Go RIGHT, RIGHT, UP, RIGHT, RIGHT, RIGHT, DOWN, RIGHT, RIGHT, DOWN, DOWN and push LEFT. Go RIGHT, UP, UP, LEFT, LEFT, UP, LEFT, LEFT, LEFT, DOWN, LEFT, LEFT, DOWN, DOWN, RIGHT, DOWN, DOWN, RIGHT, RIGHT, RIGHT, UP, UP, LEFT, UP and push RIGHT. Go DOWN, DOWN, DOWN, LEFT, LEFT, LEFT, UP, UP, LEFT, UP, UP, RIGHT, RIGHT, UP, RIGHT, RIGHT, RIGHT, DOWN, RIGHT, RIGHT, DOWN, DOWN, LEFT and push LEFT.
Go RIGHT, RIGHT, UP, UP, LEFT, LEFT, UP, LEFT, LEFT, LEFT, DOWN, LEFT, LEFT, DOWN, DOWN, DOWN, RIGHT, DOWN, RIGHT, RIGHT, RIGHT, RIGHT, RIGHT and push UP. Go DOWN, LEFT, LEFT, UP and push UP. Go RIGHT and push UP. Go DOWN, push RIGHT, go DOWN, RIGHT and push UP. Go LEFT, LEFT, LEFT, DOWN, DOWN, LEFT, LEFT, LEFT, UP, UP, LEFT, UP, UP, RIGHT, RIGHT, UP, RIGHT, RIGHT, RIGHT, push DOWN and DOWN. Go UP, UP, LEFT, LEFT, LEFT, DOWN, LEFT, LEFT, DOWN, DOWN, RIGHT, DOWN, DOWN, RIGHT, RIGHT, RIGHT, UP, UP, LEFT, UP and push RIGHT. Go DOWN, DOWN, DOWN, RIGHT, RIGHT, UP, UP and push LEFT. Push UP, go LEFT and push DOWN. Go RIGHT, RIGHT, DOWN, DOWN, LEFT, LEFT, LEFT, LEFT, LEFT, LEFT, LEFT, LEFT, UP and push RIGHT.
Go DOWN, RIGHT, RIGHT, UP, UP, LEFT, UP, LEFT and push DOWN. Go RIGHT, RIGHT, DOWN, DOWN, LEFT and push UP. Go DOWN, LEFT, LEFT, UP, push RIGHT, go UP, UP, RIGHT, UP, RIGHT, RIGHT, UP, RIGHT, RIGHT, RIGHT and push DOWN. Go RIGHT, RIGHT and push DOWN. Go UP, LEFT, LEFT, UP, LEFT, LEFT, LEFT, DOWN, LEFT, LEFT, DOWN, LEFT, DOWN, DOWN, DOWN, RIGHT, RIGHT, RIGHT, RIGHT, RIGHT, RIGHT, RIGHT, UP, UP, LEFT, LEFT and push DOWN. Go UP, RIGHT, RIGHT, DOWN, DOWN, LEFT, push LEFT, LEFT, LEFT and LEFT. Go UP, UP, push LEFT, go UP, UP, RIGHT, RIGHT, UP, RIGHT, RIGHT, RIGHT, DOWN, RIGHT, RIGHT, DOWN, RIGHT, DOWN, push LEFT, LEFT and LEFT. Push UP, go LEFT and push DOWN. Go RIGHT, RIGHT, DOWN, DOWN, LEFT, LEFT, LEFT, LEFT, LEFT, UP, UP, LEFT, UP, UP, RIGHT, RIGHT, UP, RIGHT, RIGHT, RIGHT and push DOWN.
Go RIGHT, RIGHT, DOWN, DOWN, LEFT, LEFT, LEFT and push DOWN. Go UP, RIGHT, RIGHT, RIGHT, UP, UP, LEFT, LEFT, UP, LEFT, LEFT, LEFT, DOWN, LEFT, LEFT, DOWN, DOWN, RIGHT, DOWN, DOWN, RIGHT, RIGHT and push RIGHT. Go UP, UP, RIGHT and push UP. Go DOWN, LEFT, DOWN, DOWN, LEFT, LEFT, LEFT, UP, UP, LEFT, UP, LEFT, LEFT, UP, push RIGHT, RIGHT and RIGHT. Go LEFT, DOWN, DOWN, RIGHT, DOWN, DOWN and push LEFT. Push UP, go LEFT, LEFT, DOWN, push RIGHT, RIGHT and RIGHT.
Go LEFT, LEFT, UP and push UP. Go DOWN, RIGHT, RIGHT, UP and push LEFT. Go UP, UP, LEFT, LEFT, DOWN and push RIGHT. Push DOWN, go UP, UP, RIGHT, push DOWN, DOWN, go RIGHT, DOWN, DOWN, LEFT, LEFT, push UP and UP. Go DOWN, DOWN, RIGHT, RIGHT, UP and push LEFT.
Congratulations. You have completed world four hundred and seventy-one. Get ready for world four hundred and seventy-two.