This one was kicking my butt. It's one where you have no green dots for a while after running through the clues several times. Even then, there was only one clue I could pencil out.
Here's the beast:
Here's what it looks like before I figured out what to do next:
If you can't figure it out from that (I couldn't for a long while), here's what to do next:
After all the help I've been getting, I hope this helps someone else.
I wasn't surprised to see these statistics when I was done:
Success Rate: 32.9%
Average Time: 1285 seconds
Record Time: 397 seconds (mwkressin)
(My time: All the live long day)