1X111122X1X11X21
1X11X122X2211X21
1211112212X11X21
1211X12211211X21
1X1211X211211X21
1X12X1X212X11X21
121211X2X2211X21
1212X1X2X1X11X21
XX11X12211X11221
X2111122X1211221
XX1211X2X2X11221
X212X1X212211221
2X1X111212211121
2X1XX112X1211121
221X111211X11121
221XX112X2X11121
