X111111X1211X121
XX111112121XX121
XX111112121X2121
2111111X121X2121
2111111212112121
2X11111X12112121
2X111112121XX121
X1X1XX1X121XX121
2XX1XX12121X2121
XXX1X21X12112121
21X1X2121211X121
X1X12X1212112121
2XX12X1X1211X121
XXX12212121XX121
21X1221X121X2121
XX21XX121211X121
2121XX1X12112121
X121X212121X2121
2X21X21X121XX121
XX212X1X121X2121
21212X12121XX121
X121221X1211X121
2X21221212112121
