12112112111121M2
1X11211X1XX1X122
X111X1X2X12X1121
1X11X11X1X211121
X111211211X1X121
1211211211X121MM
X211X11211X121MM
X211X112112121M1
2112X2XX1X1X21M2
1X112112112111MM
X11211X2XX2X21M2
121X21122X21X1M2
