I've come across this cipher and have tried unsuccesfully to decipher it.
The only 'hint' that I have gotten so far as to how I am supposed to crack it is the word 'Cheating'.
I've observed that it is a 7x7 grid, and have tried various techniques like columnar transposition, playfair(by adding an extra padding char since the cipher is not of even length), vigenere, railfence etc. But all to no avail yet.
Any help will be appreciated!