World one hundred and thirty-three is with nine boxes, for placement on the left.
Step by step solution
Go LEFT, LEFT and push UP. Go DOWN, RIGHT, RIGHT, UP and push LEFT. Go UP, push LEFT, LEFT, LEFT, go UP, LEFT, push DOWN, DOWN, go LEFT, DOWN and push RIGHT.
Go UP, RIGHT, UP, RIGHT, RIGHT, RIGHT, DOWN, DOWN, LEFT and push UP. Go RIGHT, UP, push LEFT, LEFT, LEFT, go UP, LEFT, push DOWN and DOWN.
Go UP, RIGHT, RIGHT, RIGHT, UP, UP, UP, UP, LEFT, LEFT, DOWN and push RIGHT. Go UP, RIGHT, push DOWN, DOWN, DOWN, DOWN, go RIGHT, DOWN, DOWN, LEFT and push UP. Go RIGHT, UP, push LEFT, LEFT, LEFT, LEFT, go UP, LEFT, push DOWN and DOWN.
Go RIGHT, RIGHT, UP, RIGHT, RIGHT, RIGHT, DOWN, RIGHT, RIGHT and push RIGHT. Go UP, UP, LEFT, UP, UP, LEFT, push LEFT and LEFT. Go UP, LEFT, LEFT, DOWN, push RIGHT, go UP, RIGHT, push DOWN, DOWN and DOWN. Go UP, RIGHT, UP, RIGHT, RIGHT, DOWN, DOWN, RIGHT, DOWN, DOWN, LEFT, LEFT, LEFT, UP, push LEFT, LEFT, LEFT, go UP, LEFT, push DOWN, go LEFT, DOWN and push RIGHT.
Go UP, RIGHT, RIGHT, RIGHT, UP, UP, UP, RIGHT, RIGHT, RIGHT, DOWN, push LEFT and LEFT. Go UP, LEFT, push DOWN, DOWN, go UP, RIGHT, RIGHT, RIGHT, DOWN, RIGHT, DOWN, DOWN, LEFT, LEFT, LEFT, UP, push LEFT, LEFT, LEFT, go UP, LEFT and push DOWN.
Go RIGHT, RIGHT, RIGHT, RIGHT, DOWN, RIGHT, RIGHT, RIGHT, UP, UP, RIGHT, RIGHT and push UP. Go RIGHT, UP, push LEFT, LEFT, LEFT, LEFT, LEFT, LEFT, LEFT, go UP, LEFT, LEFT, DOWN and push RIGHT. Go UP, RIGHT, push DOWN, DOWN, DOWN, go UP, RIGHT, RIGHT, RIGHT, DOWN, RIGHT, DOWN, DOWN, LEFT, LEFT, LEFT, UP, push LEFT, LEFT, LEFT, LEFT, go UP, LEFT and push DOWN.
Go RIGHT, RIGHT, RIGHT, RIGHT, RIGHT, DOWN, RIGHT, RIGHT, RIGHT, UP, RIGHT, UP and push UP. Go RIGHT, UP, push LEFT, LEFT, LEFT, LEFT, LEFT, LEFT, go UP, LEFT, LEFT, DOWN and push RIGHT. Go UP, RIGHT, push DOWN, DOWN, DOWN, go UP, RIGHT, RIGHT, RIGHT, DOWN, RIGHT, DOWN, DOWN, LEFT, LEFT, LEFT, UP, push LEFT, LEFT, LEFT and LEFT.
Go RIGHT, RIGHT, RIGHT, RIGHT, DOWN, RIGHT, RIGHT, RIGHT, DOWN, RIGHT and push UP. Go RIGHT and push UP. Push LEFT, go UP, LEFT and push DOWN. Go RIGHT, DOWN, push LEFT, LEFT, LEFT, LEFT, go DOWN, LEFT and push UP. Go RIGHT, UP, push LEFT, LEFT and LEFT.
Go RIGHT, RIGHT, RIGHT, DOWN, RIGHT, RIGHT, RIGHT, RIGHT, RIGHT, UP, UP, LEFT, UP, UP, RIGHT, RIGHT, DOWN, LEFT, UP, LEFT, DOWN, DOWN, DOWN, RIGHT, DOWN, LEFT, LEFT, LEFT, LEFT, LEFT, DOWN, LEFT, UP, RIGHT, UP, LEFT, LEFT,
Congratulations. You have completed world one hundred and thirty-three. Get ready for world one hundred and thirty-four.