1X211X121X11X111
1X2111X211222111
1X211X1211121121
1X21X1111X221111
11212112111XX111
11212X1X11212121
1X2112121XXX2121
112121X211122121
1X21X11212121121
1X2111121X221111
1X2111X11122X111
1121X2111221X111
1121211X11X2X121
11211X12111X2121
