2X121112121XX1M0
X11X11X1121121M0
X11X112X121111M0
2XX21111121X11M0
X1XX11XX1211X1M0
2XX211XX121XX1M0
2XX21122121X21M0
X12X111X121121M0
X12X11X2121111M0
2X221121121XX1M0
