Of course, for most encrypted messages, there are way more than three possible
corresponding plaintexts.
Not exact matches
The higher the probability that a given ciphertext encodes a particular
plaintext, the closer it is to the
corresponding vertex: Ciphertexts more likely to encode A than B or C are closer to vertex A than to vertices B and C.
Even a
plaintext as simple as a nine - digit number has a billion possible values, so the probabilities
corresponding to an encoded Social Security number would describe a point in a billion - dimensional space.