Griddler

[jenniferd]

I noticed there was a problem with the Griddler yesterday but assumed it would "go away" once I got started. Not so. Reading the columns from the left I have just about completed 15 & 16. Have made a pencil stab at 17 without much success. Also, reading from bottom have nearly completed line 19 and a few obvious ones on 20 and 21.
A clue would be much appreciated as appear to be really "stuck" - don't like to be beaten!!