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X2X222121X111211
1111X21112X22111
1112X22212X12X11
1112222X2XX21111
12X121X11221X111
1X1221X12X222112
11XX222122121X12
11X2X211112X2112
111X12X212221X12
111212X12X222112
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122X22X11X212112
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21X22X21X2211121
2112X211X1221X22
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