21X1122X12112122
X121X22112112121
21212X1212112121
21211XXX12112121
2111X22212112121
1121222112122122
11X1X22X12112122
21X1211X121X2112
212122X1121X2121
21X1XX1X12112112
X121122X12122122
21X1212212112122
11212XXX12112112
X1X1221212112122
2121X12X12112122
X1212X11121X2112
2111X21X121X2122
2121222112112122
2111XX1212122112
11212X2X12112121
211112XX12122122
1XX1222112112122
X121X22212112122
X12121X112122122
11X122X212112112
1121X1XX12122112
