11XX212122X1X1M2
X1XX212122X1XXM2
112X212122X1X2M2
X12X212122X1X1M2
11XX212122X1XXM2
X1XX212122X1X2M2
112X212122X1X1M2
X12X212122X1XXM2
11XX212122X1X2M2
X1XX212122X1X1M2
112X212122X1XXM2
X12X212122X1X2M2
