XX1212X2X1211122
1X1211X2X12X1122
XX121XX2X1221122
2X1212X2X1221122
11121XX2X1211122
211211X2X1211122
21121XX2X12X1122
2XX2XXX2X1211122
2XX22XX2X1211122
1X121XXXX1211122
2X1211XXX1211122
2X121XXXX12X1122
21121XXXX1211122
2X12XXX2XX211122
2X122XX2XX211122
2XX21XX2XX211122
