Thread: February 2021
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Old 2021-02-03, 15:21   #6
SmartMersenne
 
Sep 2017

2·59 Posts
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Here is a solution set with 60 elements:

{(4,7),(6,1),(5,3),(4,4),(7,5),(2,7),(6,2),(6,5),(12,7),(2,11),(4,6),(3,9),(3,2),(9,12),(9,11),(5,2),(6,7),(2,4),(6,3),(11,2),(2,10),(7,10),(10,6),(9,4),(10,8),(9,5),(2,12),(7,9),(4,5),(7,7),(9,1),(4,12),(4,2),(7,4),(2,5),(9,2),(6,11),(11,5),(5,5),(11,3),(9,9),(10,12),(7,8),(4,8),(10,4),(8,10),(7,6),(2,2),(5,9),(11,11),(8,9),(3,6),(8,2),(7,12),(12,4),(3,5),(11,8),(10,10),(4,11),(12,6)}

If you start with this set, everyone will get vaccinated after very convincing conversations.
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