



 
Brian, This is off the top of my head. For nine players everyone can play exactly once with everyone else over four rounds. That suggests that it may not be possible for 11 players. I suggest taking the nine player scheme and adding one player to two of the threesomes on each day. It isn't perfect, but it will be hard to do better. The 9 player scheme is 123, 456, 789 Good luck,  


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