wow that's funny! it's a sheer coincidence but stay tuned. i may have something for you in a year or two~
I am a huge fan of nikoli puzzles (and Grovyle is as well!) I own about five of their books and love their dedication not just to inventing new puzzles, but to making their puzzles clever and fun. There is such a thing as a "good sudoku" and a "bad sudoku!" not everyone understands this