World seventeen have five boxes, but only four of them are to be placed.
Step by step solution
From the start, go LEFT, LEFT, LEFT, LEFT, LEFT, DOWN, LEFT, LEFT, LEFT and LEFT. Go UP, UP, RIGHT, RIGHT, RIGHT and UP. Push RIGHT, go UP, RIGHT, push DOWN and DOWN. Go UP, LEFT, LEFT, DOWN, LEFT, LEFT, LEFT, DOWN, DOWN, RIGHT, RIGHT, RIGHT, RIGHT and UP. Push RIGHT, RIGHT and RIGHT.
Go LEFT, LEFT, UP, UP, UP and LEFT. Push UP, go LEFT, UP, push RIGHT and RIGHT. Go LEFT, DOWN, DOWN, DOWN, LEFT, DOWN, LEFT, LEFT, LEFT, UP, LEFT, UP, UP, UP, UP, RIGHT, RIGHT, RIGHT, UP, RIGHT, RIGHT, RIGHT, RIGHT, DOWN and push DOWN.
Go LEFT, LEFT, LEFT, DOWN and push LEFT. Go DOWN, LEFT, push UP, UP, go DOWN, RIGHT, RIGHT, RIGHT, DOWN and DOWN. Go LEFT, DOWN, LEFT, LEFT, LEFT, UP, LEFT, UP, UP, UP, UP, RIGHT and push RIGHT.
Go DOWN, DOWN, RIGHT, DOWN and push DOWN. Go RIGHT, DOWN, push LEFT and LEFT. Go RIGHT, RIGHT, UP, RIGHT, RIGHT, DOWN, DOWN, LEFT, DOWN, LEFT, LEFT, LEFT, LEFT, UP and push UP.
Go RIGHT, RIGHT, RIGHT, UP, RIGHT, RIGHT, DOWN, DOWN, RIGHT, RIGHT, DOWN, RIGHT, RIGHT and UP. Push LEFT, LEFT, LEFT and LEFT.
Congratulations. You have completed the seventeenth world. Get ready for the eighteenth.
For this world, the solution for Shove It! - Room 6 works as well.