Congrats atheno, I'd like too reserve a spot.
EDIT: Here we go; if it isn't hard enough, let me know :)
Flip a coin. Note whether it was Heads or Tails
Now, roll a 20 sided die twice. Note the numbers you rolled each time.
If you flipped Heads go A-Z, with a=1, b=2, c=3 etc. If you...