World one hundred and sixty-three is very hard at the start, but easy after the first box.
Step by step solution
Push DOWN, go RIGHT and push RIGHT. Go LEFT, LEFT, push DOWN, DOWN, DOWN, DOWN, go LEFT, LEFT, DOWN, DOWN, RIGHT, RIGHT, push UP, go RIGHT, RIGHT, DOWN, DOWN, push RIGHT, go DOWN, RIGHT, RIGHT, UP and push LEFT. Go UP, UP, UP, RIGHT, UP and push UP. Go RIGHT, push DOWN, go LEFT, DOWN, push RIGHT, RIGHT, go DOWN, RIGHT, RIGHT, UP, UP, LEFT, push DOWN, DOWN, DOWN, go RIGHT, DOWN and push LEFT.
Go UP, UP, LEFT, LEFT, UP, UP, UP, UP and push UP. Push LEFT, go UP, UP, RIGHT, push DOWN, DOWN, DOWN, DOWN, DOWN, go LEFT, DOWN, push RIGHT, RIGHT, go DOWN, RIGHT, RIGHT, UP, UP, LEFT, push DOWN, DOWN, go RIGHT, DOWN and push LEFT.
Go UP, UP, LEFT, LEFT, UP, UP, LEFT and push UP. Go DOWN, LEFT, LEFT, UP, push RIGHT and RIGHT. Push UP, go RIGHT, push DOWN, DOWN, DOWN, go LEFT, DOWN, push RIGHT, RIGHT, go DOWN, RIGHT, RIGHT, UP, UP, LEFT, push DOWN, DOWN and DOWN.
Go UP, UP, LEFT, LEFT, UP, UP, UP, UP, UP, UP, LEFT, push DOWN, DOWN, DOWN, go LEFT, DOWN, push RIGHT, go UP, RIGHT, push DOWN and DOWN. Go LEFT, DOWN, push RIGHT, RIGHT, go DOWN, RIGHT, RIGHT, UP, UP, LEFT, push DOWN and DOWN.
Go UP, LEFT, LEFT, UP, UP, UP, UP, UP, LEFT, LEFT, LEFT and push DOWN. Push RIGHT, RIGHT, go UP, RIGHT, push DOWN, DOWN, DOWN, DOWN, go LEFT, DOWN, push RIGHT, RIGHT, RIGHT, go UP, RIGHT, push DOWN, DOWN and DOWN.
Go UP, UP, LEFT, LEFT, LEFT, LEFT, LEFT, push UP, UP, UP, go RIGHT, UP, UP, LEFT, LEFT, DOWN, push RIGHT and RIGHT. Go UP, RIGHT, push DOWN, DOWN, DOWN, DOWN, go LEFT, DOWN, push RIGHT, RIGHT, RIGHT, go UP, RIGHT, push DOWN and DOWN.
Go LEFT, LEFT, LEFT, UP, LEFT, LEFT, UP, UP, UP, UP, LEFT, LEFT, LEFT, LEFT, DOWN, DOWN, DOWN and push DOWN. Go LEFT, LEFT, DOWN, DOWN, RIGHT, RIGHT, push UP, go RIGHT, RIGHT, DOWN, DOWN, push RIGHT, go DOWN, RIGHT, push UP, UP, UP, UP, UP, UP and UP. Go RIGHT, UP, UP, LEFT, LEFT, DOWN, push RIGHT, RIGHT, go UP, RIGHT, push DOWN, DOWN, DOWN, DOWN, go LEFT, DOWN, push RIGHT, RIGHT, go DOWN, RIGHT, RIGHT, UP, UP, LEFT, push DOWN, go RIGHT, DOWN and push LEFT.
Go UP, LEFT, LEFT, LEFT, LEFT, UP, UP, LEFT and push UP. Go DOWN, RIGHT, DOWN, DOWN, LEFT and push UP. Go DOWN, RIGHT, DOWN, DOWN, DOWN, LEFT, LEFT, UP, UP, LEFT, LEFT, push UP and UP. Go RIGHT, push RIGHT, RIGHT, RIGHT, RIGHT, go UP, RIGHT, push DOWN and DOWN.
Go UP, UP, UP, LEFT, LEFT, LEFT and push DOWN. Go RIGHT, UP, UP, UP, LEFT, push DOWN, go LEFT, LEFT, LEFT, DOWN, push DOWN and DOWN. Go RIGHT, RIGHT, push RIGHT, RIGHT, RIGHT, go UP, RIGHT, push DOWN, go LEFT, DOWN, push RIGHT, RIGHT, RIGHT, go UP, RIGHT and push DOWN.
Go LEFT, LEFT, LEFT, LEFT, UP, UP, UP, UP, LEFT, LEFT, push DOWN and DOWN. Go UP, UP, LEFT, LEFT, LEFT, DOWN, DOWN, DOWN, RIGHT, RIGHT, push RIGHT, RIGHT, RIGHT, go UP, RIGHT, push DOWN, go LEFT, DOWN, push RIGHT, RIGHT and RIGHT.
Go LEFT, LEFT, LEFT, UP, UP, UP, UP, LEFT, LEFT, UP, UP, UP, LEFT, LEFT, LEFT, LEFT, LEFT, DOWN, DOWN, push DOWN, go LEFT, DOWN, DOWN, RIGHT, push UP, UP, UP and UP. Go DOWN, DOWN, push RIGHT, RIGHT, RIGHT, RIGHT, RIGHT, RIGHT, RIGHT, go UP, RIGHT, push DOWN, DOWN, DOWN, DOWN, go LEFT, DOWN, push RIGHT and RIGHT.
Go LEFT, LEFT, LEFT, LEFT, UP, UP, UP, UP, UP, UP, UP, LEFT, LEFT, UP, LEFT, LEFT, LEFT, LEFT, DOWN, push RIGHT, RIGHT, RIGHT, RIGHT and RIGHT. Go UP, RIGHT, push DOWN, DOWN, DOWN, DOWN, DOWN and DOWN. Go UP, UP, LEFT, LEFT, LEFT, DOWN, DOWN, DOWN, RIGHT, RIGHT, push RIGHT, RIGHT, RIGHT, go UP, RIGHT, push DOWN, go LEFT, DOWN and push RIGHT.
Go LEFT, LEFT, DOWN, DOWN, DOWN, LEFT, LEFT, UP, UP, LEFT, LEFT, push UP, UP, UP and UP. Go DOWN, DOWN, RIGHT, RIGHT, RIGHT, UP, UP, UP, UP, UP, UP, LEFT, LEFT, LEFT, LEFT, LEFT, DOWN, DOWN, DOWN, RIGHT, push RIGHT, RIGHT, RIGHT, RIGHT, RIGHT, RIGHT, go UP, RIGHT, push DOWN, DOWN, DOWN and DOWN.
Congratulations. You have completed world one hundred and sixty-three. Get ready for world one hundred and sixty-four.