*Note: The symbols for Q, X, and Z are currently unknown. The symbols are hidden on many pages of the journals. In Journal 3, a symbol substitution cipher is used. The A1Z26 cipher is a simple substitution cipher decoded by substituting the nᵗʰ letter of the alphabet for given number n.
In the case for letters X, Y, and Z, one would have to cycle through to the beginning of the alphabet.Ītbash ciphers are decoded by reversing the letters. The Caesar cipher used in Gravity Falls substitutes the original letter for the third letter before it. Dipper and Mabel and the Curse of the Time Pirates' Treasure!: Select Your Own Choose-Venture.The Author's symbol substitution cipher ĭipper's and Mabel's Guide to Mystery and Nonstop Fun!.Main article: List of cryptograms Contents