Another thing you could try is setting the whole grid to green fill, then you should be able to remove any cf making a cell green. (This sort of technique was needed when only 3 CFs were allowed per cell.)
Another thing you could try is setting the whole grid to green fill, then you should be able to remove any cf making a cell green. (This sort of technique was needed when only 3 CFs were allowed per cell.)
p45cal
Everyone: If I've helped and you can't be bothered to acknowledge it, I can't be bothered to look at further posts from you.