No, but really, for me it's just practice. There are a couple methods I employ, but usually I simply start at 1, exhaust all possibilities and move to 2, then 3, and so on. Sometimes if that's not working I attempt to fill a line that's nearly populated or a box that's almost finished.
I will say a huge pet peeve of mine is when people write all the combos in their boxes! Don't do it! That's the whole point!
You're supposed to use your brain and remember it, not write that stuff down! :).
It's not a trick. You have to fill in the blanks. The whole point of the game is to develop cognitive reasoning skills.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.