11X1XX2X111X1122
1X21X12X1121X121
X2X111X2X11XX211
XX21X12X11XX1XM2
1X11X12X111X1221
XX211X22X11XX1M2
21X1XX211X1X1222
21X211X1X12XX122
X2X112XX1XX12221
XX21X121XX111222
22X1X11XX211X121
121X1121X1121X21
221X1X2211X1X121
22X11X2X111XX1M2
