1X11112121221X21
XX11112X1X221X21
2X11112X222X1X21
11X1112X2X211121
X1X1122X222X1221
X1X1122XXX211X21
1XX11121112X1X21
1XX11221122X1121
XXX112211X211121
2XX1122122211121
111X112X2X2X1121
111X122X21211221
111X122XX2221X21
1X1X112111221221
1X1X122112221121
2X1X112X122X1221
11XX1221X1211121
11XX112X1X211X21
X1XX122X122X1121
X1XX11212X211X21
21XX122XX2211X21
2XXX122112211X21
1X121121122X1121
1X1212211X211121
11X211212X2X1221
11X21221X2221121
X1X21221XX2X1121
X1X2112X12211X21
21X212212X211121
