Hooray. Did it.

Done

Start

start

done no greens,nice puzz

If this were a social media site, I'd give drwho's comment a +1.

done

go

dwg

dang, harder than it should have been, had to follow a thread

doneee wg

and a good guess

Difficulty score 40. No green.

Either I'm out of practice with the hards, or that was harder than most of the experts. Probably a little of both.

I used expert techniques to solve that one. My scoring program concurs that it is a hard, not an expert. So expert techniques were not absolutely necessary. I just couldn't see any other way!

go

done

go

finished ... fun puzzle

Go

Done with greens