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22X1221XX2XX1220
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22X1X211XX1X1220
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22X1121XX21X1220
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2111X211XXXX1X21
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21X1X211X2XXX221
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11X1221X22XXX221
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12X1X21XX2XXXX10
22XX12112XXXX210
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22XX121XX21XX210
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