Up, in, out, down, left, over, under, right — ground from center. Proof-of-work text search: each candidate hashes the base “center” with an incrementing counter appended; the grind climbs successively longer prefix matches until the SHA-256 hash spells its target word. Every hash shown was actually found, across 3,529,305,507,122 attempts. Number 5 of the 12 Grinding tokens.
