121XX1112212121M
121XX1222222121M
22X221112212121M
22X221222222121M
22XXX1212212121M
22XXX1122222121M
121221212212121M
121221122222121M
2212X1122212121M
2212X1212222121M
12XX21122212121M
12XX21212222121M
221X21112222121M
221X21222212121M
12X2X1112222121M
12X2X1222212121M
