2111X22112222121
2111222212X22221
2X11222111222221
2111121122X22121
21X1221212212121
2111X21111X22221
X111X21111212121
1111221112X12121
111112X222212111
X111222221212111
2X11121221X22211
2XX1X22112212211
XX11X21212X12111
X111221211X12211
21X1121111212211
2XX1121222212211
1111X2X122222211
21X122X112X12212
XX1112X211212112
1X11X21221212112
2XX122X211212212
2XX1121112X12112
21X122X121212112
XX11X21122X22212
21X1X22222X12212
X1X1X21122212212
XX11X2X111X12212
