11111X121X121X11
11X111X21X1X1X11
X1111X1211121X11
11X1X1X211121X11
X111XX121X1X1X11
X1X1X1X2111X1X11
11112X12111X1X11
X1X121X21X121X11
X111XX1221X12120
112XX212111XX211
