2X121112121XX1M0
211X11X11X1121M0
211X112X1X1111M0
2XX21111121X11M0
21XX11XX1X11X1M0
2XX211XX121XX1M0
2XX21122121X21M0
212X111X1X1121M0
212X11X21X1111M0
2X221121121XX1M0
