X111XX21122X1X1M
X111XX21122XX21M
X1112X11122X121M
X112XX11122X121M
X1122X11122XXX1M
X1122X21122X121M
2111XX11122XXX1M
2111XX21122X121M
21112X21122XXX1M
2112XX21122XXX1M
21122X11122X1X1M
21122X11122XX21M
