Difficulty score 21. No green.

Done

Startomg pver

Done

I love my sudoku like I love my steak, medium but not rare.

go

done, ng but a restart

Done, after a restart.

Done.

-->6550.

done

dng

dwg

dng -- nice puzzle, a little sticky in the middle.

DING, NG. Only one hangup. Keep maybe three virtuals or pairs in mind at the same time to solve it. 29.

go

re-start (that's 2 days in a row now - always on the lookout for signs of dementia!)

done

easy :)

Done - no greens. Once I found a loner, it all fell into place easily.

start

ding