X211121X122X2X12
1X1X21111X211112
X2111X1X1221X21M
X2112X111121X202
X2111X1X1221X212
X211XX121221X212
1XX11X2212XXX222
X21X2X211X212202
X2112X111X21X222
12X12XXX11212221
