11212X12X111211M
11212X12XX1X221M
212X22122111211M
212X22122X1X221M
212X2X12XX11211M
212X2X12X11X221M
112122122X11211M
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21212212X11X211M
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112X2X122X11221M
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21212X122X1X211M
112X2212X111221M
112X2212XX1X211M
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