Creating Groups, Minimal Overlap

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I'd prefer something balanced, but if you have that schedule, I'll steal it.

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Here is the Wikipedia page about PSI, and the schedule for PSI 2 is about half way down the page.

Looking at it, it seems that they did a pretty bad job of scheduling, with some people playing 4 times. I am convinced that it should be fairly easy to make a better schedule with no two players meeting more than 3 times, but my first attempt failed and I don't really feel like spending too much time on it.