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[0:2],[1:2],[2:2],[3:2],[4:2],[5:2],[6:2],[7:2]
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[0:6],[1:6],[2:6],[3:6],[4:6],[5:6],[6:6],[7:6]
[0:7],[1:7],[2:7],[3:7],[4:7],[5:7],[6:7],[7:7]
[0:8],[1:8],[2:8],[3:8],[4:8],[5:8],[6:8],[7:8]
[0:9],[1:9],[2:9],[3:9],[4:9],[5:9],[6:9],[7:9]
[0:10],[1:10],[2:10],[3:10],[4:10],[5:10],[6:10],[7:10]
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[0:19],[1:19],[2:19],[3:19],[4:19],[5:19],[6:19],[7:19]
