new puzzle challenge

[Paul Dale]

(04-04-2015 07:02 PM)Claudio L. Wrote:  If we are discarding, then the count would start from 3, as 1 and 2 are easy to discard as follows:

I thought there was a way to exclude these two but didn't think it through enough.

Getting rid of reflections is easy by forcing the order of two adjacent edge middles. E.g. B>D. This would give an early pruning of the search space.


- Pauli