112111X21X12111M
112X21X1XX111X1M
1X2121X11X11111M
1X2X11X2XX121X1M
X12111X2XX11111M
X12X21X11X121X1M
XX2111X11X111X1M
XX2X21X2XX12111M
212111X1XX12111M
212X21X21X111X1M
2X2121X2XX121X1M
2X2X11X11X11111M
