2121X2X1X12X1X20
2121X2X1X12X1220
X121X221212X1X20
X121X221212X1220
X121X2X1X11X1X20
X121X2X1X11X1220
21211221X11X1X21
21211221X11X1221
212112X1211X1X21
212112X1211X1221
21211221211X1X21
21211221211X1221
X12112X1X1221XM0
X12112X1X12212M0
X1211221X1221XM0
X1211221X12212M0
X12112X121221XM0
X12112X1212212M0
2121X22121221XM1
2121X221212212M1
2121X2X1X1121XM1
2121X2X1X11212M1
