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21X1X221X211X112
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21X1XX2112XX2112
21X122X11X2X2112
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211112X1X2112X12
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11X11X21X2212X12
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11X1212122X11212
21X11XX1211X1212
211121X12X11X212
1111X1212212X212
21X12X211X112212
X1X11121X11X2212
X111X2X1211X2212
11X112X1121X2212
