Talk:4-rings or 4-squares puzzle: Difference between revisions
→Why 2860?
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So there are 55*55 cases to consider for a, c, d, e, and g.
Fixing b fixes f so it should not be necessary to consider more than 55*55*10 (which is 25250) cases, which
is rather less than the permutations that some solutions are testing!
The task is to determine the number of solutions that there are, for which I need to go a little further.
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