说明：  扫雷游戏程序，说明一下玩法，SXY,YXY,QXY,END分别代表踩雷，挖雷，取消挖雷和结束游戏，XY表示横纵坐标
(Mine games, explain games are played, SXY, YXY, QXY, END representing foot mine, dig mines, digging mines and the end of the game cancellation, XY said horizontal and vertical coordinates)