12X2111XX2X1X1M2
122X11X2212X11M2
X2221X112X11X1M2
X2XX12XXX121X1M2
22X1121X2X11X1M2
112X112X22X111M2
22X11X12XX1X11M2
11211X2X121111M2
22X11XXX121121M2
11X21X2X111111M2
