Done with no guessing. First expert that did not require me to guess.

Done. 2 guesses.

start

ding

Thanks Joey

one guess. man i hate guessing.

One wrong guess... I should have gone with my instincts because that was the right guess. Oh well...done.

g/ng - ur and other tricks

done

Difficulty score 54. No green. Congratulations to WHB!

go

ugh

go

done

Not sure what to call it, but there is a simple argument involving 7's and 8's.

...or not. Too sleepy to think straight.

Oh, there's a neat bent unique rectangle with two cells unsettled. Exploiting it is really interesting.

...or not. Looks like I made a mistake before I got this far. Unless this puzzle has two answers.

Nope. I must have made an earlier mistake.