clm wrote:
Let's see: f1 = 7 is inmediate (column e); g7 + i7 = 15 (nonet 3) >>> [6,9] ...
I think you meant to say g3 + i3 = 15...
But other than that, you lay out a solid case for why this puzzle wasn't as difficult as advertised.
I missed a couple of the clues that seem so obvious once you point them out, but I did find several of them on my own. I'll be curious to hear what Patrick figures out with regard to the solver strategy.