111X111122211X2M
1112XX1XXX11112M
11XXXX11X221112M
11X2111X2X111X2M
121XX11X2X21112M
12121X11X2111X2M
12XX1X1XXX211X2M
12X2X1112211112M
X11X1X1X2211112M
X112X111XX211X2M
X1XXX11XX2111X2M
X1X21X112X21112M
X21XXX112X111X2M
X212111XX221112M
X2XX1111XX11112M
X2X2XX1X22211X2M
