base
Each candidate hashes the word before it with a 64-bit little-endian counter appended: sha256( word ‖ counter ). myth seeds the chain.
ascii8
One byte per character. A match means the SHA-256 hash prefix spells the word in ASCII hex.
targets
myth to face to scene to land to beast to thing — the genres of painting in rank order, each ground from the one above it.
counters
Winning counter values from 359 million to 1.9 trillion, within a 248 budget per search.