If you have four related points, what do you do? 
A B
B C
C D
D A
B D

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How do you tell if that last one was B-D or A-C if you write a 5 in its place?

In reply to Re: help needed in modifying the code for counting possible combinations by Anonymous Monk
in thread help needed in modifying the code for counting possible combinations by BhariD

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