1X1111X1X2X11121
X11X1111122111M2
1X1211112X111X21
2111X1X11X111X21
X11X11X11X211122
1X12111122111121
XX1X11X11X111X21
X1X121X11X211122
1X12X111X2111X21
XX1X21X12X111121
1X11X1X122111X21
