11X21111X1112121
11X211X121X12121
2X222111X1112121
2X2221X121X12121
2XX211X1X1112121
2XX2111121X12121
112221X1X1112121
1122211121X12121
2122111121112121
212211X1X1X12121
1XX2211121112121
1XX221X1X1X12121
21X22111X1X12121
21X221X121112121
1X221111X1X12121
1X2211X121112121
