XX11X111121111MM
XX11211211XXX1MM
X111X1111X11X1MM
X111111X112211MM
X111211212XX21MM
1X11X11XX111X1MM
1X11X11X11X2X1MM
1X111112121111MM
1X1121111X1X21MM
1111X11X12XX21MM
111111121X11X1MM
2X11X1121X2221MM
2X11111111XXX1MM
2X11211X121111MM
2111X112111X11MM
21111111X21121MM
2111111112X221MM
2111211X1X11X1MM
