211X21X12221121M
1X22212121112112
2111X11122111110
1X1211X112XX1110
22XX1121XXX2X11M
X1XXX1X11X221122
2XX1X121X1221222
2X2X2121X1121102
1XXX11111111X11M
1121X11121X12211
1XXX11111111X211
2X1211X1XXX22112
