1. First, remove the three pictures. There are not many empty slots. You can use props. Remove the three pictures and put them aside. Put them in again when needed.

2. The second is to withdraw, that is, if you make a mistake or want to regret the move, you can use it to withdraw a step.

3. Finally, the order is disrupted. This game cannot be moved. If you shuffle the cards again, you can get better cards by luck.