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21X11121XX21111M
2X21112X2X11X120
212XX22X111X1211
2121X12X1X11111M
2121212X1XX1111M
X1111X121X111112
1XXXX2X2X21XXX11
21X1212X1X111112
2221X12X1X11210M
2221X12X1X1121MM
111X2X12122X1212
11X1X111X21211M2
1112XX12X2121212
