Your code seems a bit complicated for a fairly simple task. Label each of the runners up 1-8, generate all 8! permutations, loop through each draw and add 1 to a counter if the permutation of teams does not violate the conditions.

In reply to Re: Possible pairings for first knockout round of UEFA champions league by Anonymous Monk
in thread Possible pairings for first knockout round of UEFA champions league by LanX

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