21111X1111212102
212X122X2X212102
211X1X1X11212102
212212222X212102
211X121212212112
21121X21XX212212
211X121112222112
21121X21XX212112
211X1211222X2112
211X121X1221X112
212X1X21XX212112
212X1X21X1212X2M
