八车问题：设计程序在8行8列的棋盘上方八个车，使它们互相间不能被吃掉。（车可以吃掉与它同行同列的其他车）-An eight-car issues: the design process in line 8 of 8 chessboard top eight cars, so that they can not be eaten with each other. (Car can be eaten out with its peers with the other vehicles)