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1X11X111XXX2X122
1X1XX121X2X2X122
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12X1X12112X2X122
12X1X121X212X122
1XX1X1211212X122
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1XX1X111X2X1X122
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12X1X121X2X22122
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1XX1X121X2122122
12X1X121X2X2X222
1XX1X12112X2X222
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1XX1X121X2X22222
