2X1X1111X2221211
2X1X11X1211X1111
2X1X2111221X1111
2X1X21X1X1221211
2X12111121221211
2X1211X1X21X1111
2X122111X11X1111
2X1221X122221211
221X1111X11X1111
221X11X122221211
221X211121221211
221X21X1X21X1111
22121111221X1111
221211X1X1221211
22122111X2221211
221221X1211X1111
1121X12111X1X111
X12111211X112111
