11111122221221M2
11X21121XX1221M2
11X222X2221221M2
1X1222X1XX1221M2
1XX122X1XX1221M2
1XX21122221221M2
X11122X1XX1221M2
X1121122221221M2
X1X11122221221M2
XX1112X1XX1221M2
XX112122221221M2
XXX222X1XX1221M2
11X121X2X112XX21
11211122112XX101
122121XXX212112M
2XXX11X112112112
