1221XX12112X21M2
X2112212X21X11M2
121121121X21X1M2
1221X222XX2111M2
12X1X112X1X22112
X211X1X22X211112
12211112XX112112
121112X2111X2112
X211212221X1X1M2
121111X2211111M2
12111212221XX1M2
12212XX2121XX1M2
22111XX221X12121
12X1X12211222121
22112122112XX121
1211X212XX111121
