2X11X2111221121M
121X221111X12X1M
XX112X111121221M
1212XX1111X1121M
2X11211111X11X1M
22XX12111121121M
X112X21111212X1M
1X1X21X11121121M
X211121211X1121M
211XX11211X1121M
211X1X111221221M
1X12X1121121221M
X1121XX11121121M
X1X2221111X1121M
XX12121112X1221M
2111X1X11121221M
