11X1111112211111
1XXX211112211X11
1XX11121X2211X11
1X1X2121X2211X11
1X1X11211221XX11
1XX121211221XX11
1XXX1111X221XX11
1X112111X221XX11
1XXX112112211211
1X11212112211211
1X1X1111X2211211
1XX12111X2211211
1XX111111221X211
1X1X21111221X211
1X111121X221X211
1XXX2121X221X211
