Introduction - If you have any usage issues, please Google them yourself
Rearrangement JiuGongTu placed on the checkerboard-labeled 33 digital 1,2,3,4,5,6,7,8 of 8, 0 represents a space, operators can use spaces left, right space, the space shift spaces down, that they are only allowed to spaces located around the top and bottom of the card moved to a space, requires finding a path from the initial state to the destination state.