X1112212X2XX212M
11112XX1122121MM
11112X2X12112122
X1X12211X21X212M
11X12XXX12X1211M
X1X122XXX2XX21M1
X1X12222X22X212M
11212X1X12212122
11212XX21211212M
X1212221X2XX212M
