X1X1111XX2112X1M
X1X121XX22112X1M
2X2X111XX2112X1M
2X2X21XX22112X1M
2XX1211XX2112X1M
2XX111XX22112X1M
X12X211XX2112X1M
X12X11XX22112X1M
212111XXX2112X1M
2121211X22112X1M
XXXX11XXX2112X1M
XXXX211X22112X1M
21XX111X22112X1M
21XX21XXX2112X1M
XX21111X22112X1M
XX2121XXX2112X1M
