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I want to create N pairs of items with no repeat pairs, where each item is only used twice. For example, given the minimal amount of integers greater than 0, one possible set of 4 items would be:
[(0, 1), (0, 2), (3, 1), (3, 2)]
Another valid example would be:
[(0, 1), (1, 2), (2, 3), (3, 1)]
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