122XX11X11222112
21112121XX11XX12
121211X1X11X2112
X2X211XXX1X12212
21211221XX11X212
1121211XX22X2112
X1222111X1112212
1X2111122X122112
2X2111222XX11112
X1X121X1X1222X12
21X11X12212X1X12
