X12112X121X21X20
X1211221X1221X20
X1211221X1X21220
X12112X1X1221220
212112X1X1X21X20
212112X121X21X20
2121122121221220
2X211212212X2220
22XX12212112X1M0
211X122XX11XX2M0
X1X2X2X1212XX2M2
2111121X12X212M0
