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does anyone disagree?
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You probably missed the 2 colinear sets that I had missed originally. If you enumerate row-wise and going down from 1 to 14, you will find that (3, 8, 14) and (5, 7, 10) are both colinear sets.
I am pretty sure BruceZ is right. After Bruce posted his solution, I went back to take a closer look at mine, and my final corrected solution lines up with his.
329 it is.
Your original thread:
Original Thread
Edited to add the specific colinear sets that were likely missing from the OP's solution.
-RMJ