World one hundred and fifty-eight requires some workarounds for the boxes.
Step by step solution
Go UP,push LEFT, LEFT and LEFT. Push DOWN, DOWN, go RIGHT, DOWN, DOWN, LEFT and push UP.
Go DOWN, DOWN, LEFT, LEFT, UP, UP, push RIGHT, RIGHT, RIGHT, go DOWN, RIGHT and push UP.
Go RIGHT, RIGHT, UP and push UP. Go LEFT, UP, LEFT, LEFT, LEFT, DOWN and push DOWN. Go RIGHT, DOWN, DOWN, LEFT, DOWN, LEFT, LEFT, UP, UP, RIGHT, push RIGHT, go UP, RIGHT and push DOWN. Go LEFT, UP, UP, LEFT, LEFT, UP and push RIGHT. Go DOWN, RIGHT, DOWN, DOWN, LEFT, LEFT, push UP, go DOWN, DOWN, DOWN, RIGHT, DOWN, DOWN, LEFT, push UP, UP, go RIGHT, RIGHT, UP, UP, RIGHT, RIGHT, DOWN, DOWN, DOWN, push LEFT, LEFT, go UP, LEFT, LEFT, DOWN, DOWN, RIGHT and push UP. Go RIGHT, UP, UP and push RIGHT. Go LEFT, DOWN, DOWN, LEFT, LEFT, UP, push RIGHT, go DOWN, RIGHT, push UP and UP.
Go RIGHT, UP, RIGHT, RIGHT, RIGHT, DOWN and push DOWN. Go RIGHT, DOWN, push LEFT, LEFT, LEFT, LEFT, LEFT and LEFT. Go RIGHT, RIGHT, RIGHT, RIGHT, RIGHT, UP, UP, UP, UP, UP, LEFT, UP, UP, RIGHT, push DOWN, DOWN, DOWN, DOWN, DOWN and DOWN. Go UP, UP, LEFT, LEFT, LEFT, UP, LEFT, UP, LEFT, UP, push RIGHT, RIGHT, RIGHT and RIGHT. Go LEFT, LEFT, LEFT, LEFT, LEFT, LEFT, DOWN and push RIGHT. Go DOWN, DOWN, RIGHT, push RIGHT and RIGHT. Go LEFT, LEFT, LEFT, UP, UP and push RIGHT. Go UP, RIGHT, push DOWN, DOWN, go UP, LEFT, LEFT, DOWN, DOWN, RIGHT, push RIGHT, go DOWN, RIGHT and push UP.
Go LEFT, DOWN, DOWN, LEFT, LEFT, push UP, UP, UP, go DOWN, RIGHT, RIGHT, UP, UP, LEFT, UP, LEFT, LEFT, DOWN, push RIGHT, RIGHT, go UP, RIGHT, push DOWN, DOWN, go UP, LEFT, LEFT, DOWN, DOWN, RIGHT and push RIGHT.
Go DOWN, DOWN, DOWN, LEFT, DOWN, LEFT, push UP, UP, UP, UP, UP, go DOWN, RIGHT, RIGHT, UP, UP, LEFT, UP, LEFT, LEFT, DOWN, push RIGHT, RIGHT, go UP, RIGHT, push DOWN and DOWN.
Go UP, UP, RIGHT, RIGHT, RIGHT, DOWN, RIGHT, DOWN, DOWN, DOWN, DOWN, RIGHT, DOWN, push LEFT, LEFT, LEFT, LEFT, LEFT, go UP, LEFT, LEFT, DOWN, DOWN, RIGHT, push UP, go LEFT, UP, push RIGHT, go DOWN, RIGHT and push UP.
Go DOWN, RIGHT, RIGHT, RIGHT, RIGHT, UP, UP, UP, UP, UP, LEFT, UP, UP, RIGHT, push DOWN, DOWN, DOWN, DOWN, DOWN, DOWN, go RIGHT, DOWN, push LEFT, LEFT, LEFT, LEFT, LEFT and LEFT. Go DOWN, LEFT, push UP, UP, UP, UP, UP, go DOWN, DOWN, DOWN, RIGHT, RIGHT, DOWN, RIGHT, RIGHT, RIGHT, RIGHT, UP, UP, UP, UP, UP, LEFT, UP, LEFT, LEFT, LEFT, LEFT, LEFT, LEFT, DOWN, push RIGHT, RIGHT, go UP, RIGHT and push DOWN.
Congratulations. You have completed world one hundred and fifty-eight. Get ready for world one hundred and fifty-nine.