1X1X111X11X22212
1X1X1122XX11X112
1X121112X1122112
1X12112X1XX1X212
121X11121XX12112
121X112XX112X212
1212111XXX112212
1212112211X2X112
XX1X111XXXX2X112
XX1X112211112212
XX1211121X12X212
XX12112XX1X12112
X21X1112X1X1X212
X21X112X1X122112
X212111X1111X112
X2121122XXX22212
