Finally got it. The right idea crossed my mind before, but didn't even try it, cause I thought it was not a good idea. LOL. So, I was 6 off, for a long time.
Really clever record here by dgriff. I think this might be the best twinning. it’s very special. My only regret is the bottom is just a tiny bit loose. Several minimally different formations will get you where you need to be.
