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111112X212112212
1112122X12112212
1112122212111112
11X1122X12112112
11X1122212111212
11X212XX12111212
11X212X212112112
1X11122X12111212
1X11122212112112
1X1212XX12112112
1X1212X212111212
1XX112XX12112212
1XX112X212111112
1XX2122X12111112
1XX2122212112212
