This is probably really easy to guess but very difficult to solve. However I dropped several meta-META hints so even if you guess try to back-solve the meta-nism. And, yes, you'll probably want to google.
Guess its time to go public with this one as well. This was a very early one of mine. It has quite a few woozyism and it has 4 "painful" clues. They serve a vital purpose and are interesting but they do "hurt". The mechanism is easy but hard to…
I will release three versions that are exactly the same but with "themer pointers" for different levels of difficulty. This is the most difficult version.