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2XXX111X12211112
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1X221X211X1X1112
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1122X11X1XX21112
21X211211111X112
1X2221X21X11X112
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2212111X1XX2X112
121211X1X222X112
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12X2X112X1X12112
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11221122XX1X2112
1XX2X1121X122112
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12X211X21X211X12
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121X11121XX1XX12
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2XX211X1111X2X12
1XX2111X1112X212
