Done, with green and red.

Finished

Hsd to start over many times but done

done with red and green and 1 guess

go

done with greens

Difficulty score 64. No green.

Solved by logic only - unusual for a 64.

go

One unique rectangle broke that open. Would be interested to know what justified the 64...

1 lucky guess and done

1 guess and done...logic not working for me today

done

logic, logic... logic is the beginning of wisdom, judy, not the end...

dwg and 2 guesses

hey, no forcing chain required! that's my kinda expert!

more like a medium; easy 5 points

Yeah, the keystone was not hard to spot -- perhaps a Hard at most.

I used greens to spot the unique rectangle, but I'm embarrassed about it. Everyone's right, not that difficult at all, I'm really curious as to why a 64.

No greens, no guess. Not really very hard.

Start.

Finished.

go

done