XX1X211X11112XM2
XX12X2211X11X2M2
X21X111X1112X2M2
X211X1211X11XXM2
1111222111121XM2
XX12212X1X112XMM
X11XX12111111XMM
1112121X121222MM
1211X11112112XMM
121112111X12X2MM
1212X21X121212MM
1X1121XX211X22M2
