X1X1X21121211112
X1X11X122X211112
X121XX1221211112
X12112112X211112
11X1XX112X211112
11X1121221211112
1121X2122X211112
11211X1121211112
X1X11X11X1211112
X121XX11XX211112
X1211212X1211112
11X1XX12X1211112
11X11211XX211112
1121X211X1211112
11211X12XX211112
X1X1X2121X211112
X1X11X1111211112
X121XX1211211112
X12112111X211112
11X1XX111X211112
11X1121211211112
1121X21111211112
11211X121X211112
X1X1X212XX211112
