1X1X1XX1X2111111
1X11X11X12X11111
1211211X12X1X111
1X1X1X1X22X11121
121211XX2XXX1121
XX1111X1X1X11122
X21X11XX1X111X22
1X1211X1X2111X22
121X1XXXXX1X1122
1211X1XXX21X1XM1
X211211XX111X1M2
1X1X1XXXXXX111M2
1X1X1111X2111XM2
1X12XXXXX21111M2
1211X1112X1111M2
1211X112X2X111M2
