World twenty-three is with six boxes placed around.
Step by step solution
From the initial position, go LEFT, UP, LEFT, UP, LEFT, LEFT, DOWN, DOWN and RIGHT. Push UP, UP, go LEFT, UP and push RIGHT.
Go DOWN, DOWN, DOWN, LEFT, LEFT, LEFT, LEFT and UP. Push RIGHT, RIGHT and RIGHT. Go DOWN, RIGHT, push UP, go LEFT, UP and push RIGHT.
Go DOWN, RIGHT, RIGHT, DOWN, RIGHT, RIGHT and UP. Push LEFT, LEFT, LEFT, LEFT, go DOWN and LEFT. Push UP and UP.
Go DOWN, LEFT, LEFT, UP, UP and push UP. Go RIGHT, UP, RIGHT, RIGHT and push RIGHT. Go UP, RIGHT, RIGHT, DOWN, push DOWN, DOWN and DOWN. Go UP, UP, UP, UP, LEFT, LEFT, DOWN, LEFT, LEFT, LEFT, DOWN, LEFT, DOWN, DOWN, DOWN, RIGHT and RIGHT.
Go RIGHT, RIGHT, RIGHT, DOWN, RIGHT, RIGHT and UP. Push LEFT, LEFT, LEFT and LEFT. Go DOWN, LEFT and push UP. Go LEFT, LEFT, UP, UP, UP, RIGHT, UP, UP and LEFT. Push DOWN, DOWN, DOWN and DOWN. Go UP, UP, UP, RIGHT, RIGHT, RIGHT, RIGHT, UP, RIGHT, RIGHT, DOWN, DOWN, DOWN, DOWN, DOWN, LEFT, LEFT, LEFT, LEFT, LEFT, DOWN, LEFT, LEFT and UP. Push RIGHT, RIGHT, RIGHT, go DOWN, RIGHT, push UP and UP.
Go DOWN, RIGHT, RIGHT, RIGHT, UP, UP, UP and UP. Push LEFT, LEFT, LEFT, LEFT, LEFT, LEFT, go UP and LEFT. Push DOWN, DOWN, DOWN and DOWN. Go UP, UP, UP, RIGHT, RIGHT, RIGHT, RIGHT, RIGHT, RIGHT, DOWN, DOWN, DOWN, DOWN, LEFT, LEFT, LEFT, LEFT, LEFT, DOWN, LEFT, LEFT and UP. Push RIGHT, RIGHT, RIGHT, go DOWN, RIGHT and push UP.
Congratulations. You have completed world twenty-three. Get ready for world twenty-four.
For this world, the solution for Shove It! - Room 12 works as well.