World four hundred and fourty-seven is small, but not very easy puzzle.
Step by step solution
Go UP, LEFT, LEFT, DOWN, LEFT, LEFT, DOWN, LEFT, LEFT, UP and push UP. Go LEFT, UP, LEFT, LEFT, DOWN, push RIGHT, go UP, RIGHT and push DOWN. Go RIGHT, DOWN, DOWN, RIGHT, RIGHT, UP, UP, push LEFT, LEFT and LEFT.
Go RIGHT, RIGHT, RIGHT, DOWN, RIGHT, RIGHT, UP and push LEFT. Go RIGHT, RIGHT, RIGHT, DOWN and push LEFT. Go UP, LEFT, LEFT and push LEFT. Go RIGHT, RIGHT, RIGHT, DOWN and push LEFT.
Go UP, LEFT, LEFT, DOWN, DOWN, LEFT, LEFT, UP, UP, push RIGHT, RIGHT, RIGHT and RIGHT. Go DOWN, push LEFT, go UP, LEFT, LEFT, LEFT, DOWN, DOWN, RIGHT, RIGHT, push UP, go RIGHT, UP and push LEFT.
Go RIGHT, RIGHT, DOWN, RIGHT, RIGHT, UP, push LEFT, LEFT and LEFT. Go DOWN, LEFT, DOWN, LEFT, LEFT, UP, UP, LEFT, UP, LEFT, LEFT, DOWN, push RIGHT and RIGHT. Go LEFT, DOWN and push RIGHT.
Congratulations. You have completed world four hundred and fourty-seven. Get ready for world four hundred and fourty-eight.