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12221212112121M2
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11221222112121M2
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12221222112121M2
112212121X2121M2
1X221212112121M2
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112212X2112121M2
1X2212X21X2121M2
122212X2112121M2
112212221X2121M2
1X221222112121M2
122212221X2121M2
