112111112XX12X12
1121X1112X2X2X12
1X21111121212X12
1X21X11121XX2X12
1121112121XXXX12
1121X1212121XX12
1X2111212X2XXX12
1X21X1212XX1XX12
X121X11121X12212
XX2111112XXX2212
X12111212X21X212
XX21X121212XX212
212111X1212X1112
2121X1X12XXX1112
2X2111X121X11112
2X21X1X12X211112
