X111X1211112X1M0
X12112X11112X1M0
XX11112XXX12X1M0
211111211112X1M0
2121X2XXXX12X1M0
2X21X2X11112X1M0
2X21X2XXXX12X1M0
21X111X1211111M0
21X11X12111111M0
21X1X1112X121XM0
21211111211111M0
21211XX21X121XM0
2121XXX2111111M0
2121XXX21X121XM0
