World two hundred and six have only two displaced boxes, but they are very hard to move.
Step by step solution
Go UP, RIGHT, UP, UP, LEFT, UP, LEFT, LEFT and push DOWN. Push RIGHT, go LEFT, LEFT, DOWN, LEFT, LEFT, DOWN, LEFT and push UP. Go RIGHT, RIGHT, RIGHT, UP, RIGHT, RIGHT, UP, RIGHT, RIGHT, DOWN, DOWN, DOWN, LEFT, LEFT and push UP. Push LEFT, LEFT, LEFT and LEFT. Go UP, push RIGHT and RIGHT. Go DOWN, LEFT, LEFT, DOWN, LEFT, LEFT, UP, UP, push RIGHT and RIGHT. Go LEFT, LEFT, DOWN, DOWN, LEFT, LEFT, UP and push RIGHT. Go DOWN, RIGHT, RIGHT, RIGHT, UP, UP, LEFT, LEFT and push DOWN. Go UP, RIGHT, RIGHT, DOWN, DOWN, LEFT and push LEFT.
Go RIGHT, RIGHT, UP, RIGHT, RIGHT, RIGHT, RIGHT, DOWN, RIGHT, RIGHT, UP, UP, UP, LEFT, LEFT and push DOWN. Go UP, RIGHT, RIGHT, DOWN and push LEFT. Go RIGHT, DOWN, DOWN, LEFT, DOWN and push DOWN. Push LEFT, LEFT, go UP, LEFT, LEFT and push DOWN. Go LEFT, DOWN, DOWN, LEFT, LEFT, UP, LEFT, LEFT, UP, push RIGHT and RIGHT. Go DOWN, DOWN, DOWN, LEFT, push UP and UP. Go DOWN, RIGHT, RIGHT, RIGHT, UP, UP, RIGHT, UP, RIGHT, RIGHT, DOWN and push LEFT. Go DOWN, DOWN, push LEFT, LEFT, LEFT and LEFT. Go RIGHT, RIGHT, UP, UP and push RIGHT. Push DOWN, go UP, UP, RIGHT, RIGHT, DOWN and push LEFT. Go UP, LEFT and push DOWN. Go RIGHT, RIGHT, RIGHT, RIGHT, RIGHT, DOWN, DOWN, DOWN, LEFT, LEFT, push UP and UP. Go DOWN, DOWN, RIGHT, RIGHT, UP, UP and push LEFT.
Go UP, push LEFT, LEFT, go UP, LEFT, LEFT, DOWN, push RIGHT, RIGHT and RIGHT. Push DOWN, go UP, LEFT, LEFT, LEFT, LEFT, DOWN, DOWN, LEFT, LEFT, UP, UP, push RIGHT, RIGHT and RIGHT. Go LEFT, DOWN, DOWN, LEFT, LEFT, UP, LEFT, LEFT, UP, push RIGHT, RIGHT, go DOWN, DOWN, DOWN, LEFT, push UP and UP. Go DOWN, RIGHT, RIGHT, RIGHT, UP, UP, RIGHT, UP, RIGHT, RIGHT, DOWN and push LEFT. Go DOWN, DOWN, push LEFT, LEFT, LEFT and LEFT. Go RIGHT, RIGHT, UP, UP and push RIGHT. Push DOWN, go UP, UP, RIGHT, RIGHT, DOWN and push LEFT. Go RIGHT, RIGHT, DOWN, RIGHT, RIGHT, DOWN, DOWN, LEFT, LEFT, push UP and UP.
Congratulations. You have completed world two hundred and six. Get ready for world two hundred and seven.