Talk:Round-robin

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How do you do round robin gift exchange with even numbers without re-gifting to the same person....?

1234, 4321, 1<>3 / 2<>4 1234, 4321, 1<>3 / 2<>4

5 people works fine... 12345, 54321, 135241, 14253, repeat

I think six has the same issue and I suspect 8, 10, etc.

Am I incorrect? I'm not a mathematician, I was just trying to figure out a rotation for my family this year... and am stumped.

[edit] cleanup tag removed

Hope that's ok. Hakluyt bean 03:18, 2 February 2007 (UTC)