World four hundred and seventy-seven is not easy puzzle with placement of the boxes in the upper-right corner.
Step by step solution
Go RIGHT, RIGHT, RIGHT, RIGHT, UP and push UP. Go RIGHT, UP, UP and push LEFT. Go RIGHT, DOWN, DOWN, LEFT, DOWN, DOWN, LEFT, LEFT, UP and push RIGHT. Go LEFT, DOWN, LEFT, LEFT, UP, push RIGHT and RIGHT. Go LEFT, LEFT, LEFT, UP, UP, RIGHT and push DOWN. Go UP, RIGHT, UP, UP, UP, RIGHT, RIGHT, DOWN and push LEFT.
Go RIGHT, RIGHT, DOWN, RIGHT, DOWN, DOWN, LEFT and push UP. Go LEFT and push UP. Go DOWN, RIGHT, RIGHT, UP and push LEFT. Go UP, push LEFT, go UP, LEFT, LEFT and push DOWN. Go LEFT, push DOWN, DOWN, go LEFT, DOWN, DOWN and push RIGHT. Go DOWN, RIGHT, RIGHT, RIGHT, RIGHT, push UP, UP, UP and UP. Go DOWN, LEFT and push UP.
Go DOWN, RIGHT, DOWN, DOWN, DOWN, LEFT, LEFT, UP, push RIGHT, go DOWN, RIGHT, push UP, UP, go RIGHT, UP, UP, LEFT, LEFT, DOWN and push RIGHT. Go DOWN, DOWN, LEFT, LEFT, DOWN, LEFT, LEFT, UP, push RIGHT, RIGHT, RIGHT, go DOWN, RIGHT, push UP, UP and UP. Go DOWN, DOWN, LEFT, LEFT, LEFT, LEFT, LEFT, UP, UP, RIGHT, UP, UP, RIGHT, UP, RIGHT, RIGHT, push DOWN and DOWN.
Push RIGHT, go LEFT, UP, UP, LEFT, LEFT, DOWN, push RIGHT, go UP, RIGHT and push DOWN.
Go LEFT, LEFT, LEFT, DOWN, DOWN, RIGHT, push UP, go LEFT, UP, push RIGHT and RIGHT.
Go LEFT, LEFT, DOWN, DOWN, push DOWN, go LEFT, DOWN, push RIGHT, RIGHT, RIGHT, RIGHT, go DOWN, RIGHT, push UP and UP.
Congratulations. You have completed world four hundred and seventy-seven. Get ready for world four hundred and seventy-eight.