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212XX2X1XX21X1M1
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212XX2X12X1XX1M1
212XX2X1XX2XX1M1
212XX2X12X2XX1M1
212XX2X1XX1121M1
212XX2X12X1121M1
212XX2X1XX2121M1
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212XX2X1XX1X21M1
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X12XX2X12X11X1M1
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212XX2X12111X1M1
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