Additive Squares

Word of length 6309 over {0, 1, 2, 15, 18, 19}

by David Renshaw, 2026-10-05 · the current record for this alphabet · JSON

Display: drawn for the equivalent alphabet translated by -9 (drift removed); downsampled ×6.

0 18 19 2 19 0 2 0 1 19 15 19 1 0 2 18 19 18 0 15 0 1 0 2 19 18 19 1 0 18 15 1 2 15 19 15 0 19 0 1 0 15 0 18 19 15 18 15 0 18 1 0 15 2 1 18 0 1 2 1 19 15 0 18 0 2 0 15 19 1 2 1 0 2 19 1 0 18 19 2 0 1 19 0 18 0 19 0 15 0 18 19 1 2 19 2 0 18 15 0 18 0 1 2 0 1 15 0 15 2 15 0 19 0 18 2 15 2 1 19 18 19 0 18 2 1 0 15 2 19 0 18 2 19 18 15 18 2 1 0 19 18 0 18 2 19 18 0 19 18 15 18 2 18 19 15 2 15 0 18 19 0 2 18 15 0 1 15 2 0 1 0 19 2 18 19 0 2 1 15 2 19 18 19 1 15 18 19 1 19 0 18 2 18 19 2 18 1 2 18 15 2 0 1 19 0 1 15 18 19 15 19 2 18 19 2 19 1 18 19 15 2 19 0 15 1 0 18 0 2 18 19 2 0 1 15 18 0 15 0 1 15 1 19 15 19 18 2 18 0 19 1 2 15 19 0 2 18 15 0 18 19 0 1 15 2 1 0 1 2 1 19 2 19 0 15 2 0 18 19 2 0 1 2 19 2 0 18 19 0 15 2 0 18 19 18 15 19 1 0 19 0 15 2 18 1 2 19 2 15 1 2 18 1 0 15 2 0 19 15 18 1 19 2 1 15 2 19 0 2 19 15 19 18 0 15 19 2 15 18 2 19 18 0 2 19 2 15 1 0 19 1 2 19 18 2 0 19 15 19 18 19 2 18 15 18 0 18 19 2 19 15 2 18 19 0 18 15 18 19 1 15 1 2 15 19 15 18 15 2 19 15 2 18 2 0 19 15 0 1 0 15 19 2 19 18 0 2 18 1 2 0 18 19 15 19 18 19 15 2 0 18 19 2 0 19 1 2 1 18 2 15 19 0 19 2 15 1 19 0 15 2 18 1 2 19 18 15 2 15 1 2 15 2 0 1 2 0 19 2 15 0 15 2 18 0 19 2 19 15 1 0 1 19 15 19 0 19 2 18 19 15 2 0 15 2 15 18 0 1 2 18 1 0 18 15 0 15 1 0 15 18 1 0 2 0 19 1 19 0 19 15 1 18 2 19 18 19 0 18 15 2 18 1 2 19 15 19 0 18 15 18 1 2 19 2 18 0 1 18 0 15 19 2 18 15 19 18 0 1 18 19 15 1 19 1 18 0 15 19 15 1 15 0 18 0 19 2 0 15 19 18 2 19 0 18 2 18 0 1 15 18 19 15 2 15 18 0 15 0 1 0 2 15 18 1 2 0 15 2 1 18 19 15 19 18 0 2 18 1 18 19 2 19 15 2 1 15 0 19 1 15 19 18 0 2 0 15 18 0 2 1 0 18 2 19 15 2 18 2 19 0 1 0 2 1 0 1 19 0 2 0 15 0 1 2 0 2 15 0 19 15 1 2 19 0 2 1 0 15 1 18 2 15 0 15 19 15 18 0 2 1 0 15 18 0 2 1 2 19 18 0 15 2 0 18 0 2 0 1 2 0 18 0 2 0 18 15 1 15 18 15 2 1 19 0 1 15 2 1 0 2 1 19 18 19 2 1 19 0 18 0 19 2 0 18 15 2 18 0 18 19 2 0 2 18 0 2 1 18 19 18 15 2 19 15 0 1 15 19 2 15 1 2 1 0 19 1 19 15 18 19 1 15 0 19 15 18 15 19 0 19 15 18 2 1 2 19 1 18 19 2 0 18 15 0 2 15 19 1 18 1 15 0 18 19 15 0 2 15 1 0 18 1 2 1 0 19 18 0 1 15 2 0 1 18 15 1 18 19 18 2 0 15 2 19 2 1 0 2 0 19 2 19 18 0 2 18 1 2 0 1 19 2 0 2 1 15 0 2 19 0 18 19 15 19 18 1 2 0 1 19 18 15 0 15 1 2 18 0 15 2 15 0 15 19 18 2 1 15 19 1 15 0 19 18 2 0 18 19 1 18 15 19 0 2 19 0 1 0 2 1 15 1 2 0 19 0 15 2 19 15 19 1 2 19 18 1 2 19 15 2 0 19 1 15 0 1 0 19 1 0 15 18 19 2 18 1 15 19 18 15 1 18 15 0 18 0 2 19 18 2 15 18 2 19 2 18 0 2 1 19 2 19 15 2 18 15 18 19 18 1 19 2 0 15 19 15 18 2 15 0 2 15 18 15 1 15 19 2 18 2 15 19 0 2 15 18 2 0 15 1 0 1 18 19 15 1 0 2 18 2 19 2 0 19 18 15 0 18 2 15 2 1 15 2 15 0 18 2 15 18 2 19 0 18 2 18 19 15 1 19 18 1 0 2 18 1 0 15 2 18 1 2 19 1 15 19 0 18 19 15 18 2 1 15 0 18 15 0 19 15 19 18 19 2 1 19 18 19 15 19 18 0 18 15 19 18 19 1 19 15 0 15 18 15 19 18 1 15 19 18 15 0 2 18 19 15 1 15 19 2 19 15 19 0 15 18 2 19 0 2 18 19 18 0 19 0 2 19 15 0 15 19 15 18 2 18 19 15 18 0 2 18 19 18 15 1 15 19 15 1 18 0 15 1 0 1 18 2 1 18 15 2 15 19 2 1 15 19 15 1 15 19 18 2 19 15 19 18 0 2 15 1 15 19 1 2 0 19 2 19 18 15 1 0 19 0 1 15 0 15 19 15 18 2 15 2 0 1 0 15 19 0 2 1 15 1 2 18 2 0 15 18 15 19 1 15 2 1 18 1 19 15 19 1 19 18 19 1 0 19 15 19 1 2 1 19 15 0 2 1 0 18 1 19 15 2 19 18 15 0 18 15 18 19 2 1 0 18 19 1 19 2 0 1 18 15 18 0 2 19 18 19 15 2 18 15 0 18 15 19 2 18 19 0 19 2 1 19 2 0 15 19 18 2 0 15 2 1 18 15 19 15 2 19 1 15 19 0 19 2 1 18 15 2 0 15 18 1 2 19 0 1 19 18 19 2 15 19 0 18 2 0 2 19 0 2 0 15 2 19 2 0 15 1 18 0 2 1 15 2 19 15 2 0 2 19 15 19 2 19 0 19 1 2 0 1 18 15 2 0 15 19 15 1 2 0 19 15 2 18 19 18 15 0 15 18 1 15 18 2 0 1 15 19 18 0 2 19 18 1 0 1 2 0 18 15 1 19 18 0 15 1 2 15 19 18 19 2 15 2 19 18 2 18 15 1 2 15 1 0 2 0 18 1 19 2 1 2 15 0 2 18 15 18 2 1 0 19 18 0 15 2 1 0 2 19 1 2 0 2 1 15 0 18 15 2 1 0 19 1 2 19 18 1 15 2 19 1 2 15 0 19 15 1 0 15 2 0 19 15 18 2 19 2 0 1 0 18 1 15 19 1 15 18 0 1 0 15 0 1 18 15 18 0 19 15 1 2 1 0 15 1 19 18 1 0 2 1 15 0 1 2 0 19 2 0 15 19 0 2 19 2 1 0 2 1 15 2 18 1 15 1 0 2 1 0 1 19 18 19 1 0 15 19 18 1 19 2 1 2 15 1 15 0 15 2 19 0 18 0 15 0 1 0 2 1 0 1 15 18 19 2 1 2 0 19 0 18 19 2 1 18 15 19 2 1 15 19 0 1 19 15 18 15 0 19 18 19 2 18 2 15 18 15 0 15 1 2 15 0 2 19 0 19 18 19 0 2 15 18 1 15 0 18 19 18 1 15 19 18 19 2 0 1 15 0 1 2 18 2 0 18 19 18 15 1 0 1 19 18 19 1 19 2 1 15 0 1 18 19 2 0 18 1 19 18 15 19 1 0 1 2 18 15 19 15 0 1 18 0 1 19 15 0 19 2 1 15 0 15 18 0 2 0 1 2 19 0 2 18 0 1 0 2 18 15 19 2 18 19 18 0 2 1 19 18 0 18 1 15 2 15 0 1 2 15 19 1 18 0 1 15 2 18 19 2 19 1 18 19 15 19 2 19 18 1 0 18 2 15 19 2 15 18 2 0 15 1 18 15 18 2 0 19 2 18 19 15 1 2 0 1 0 15 0 19 2 15 19 18 2 18 1 0 15 18 1 2 18 19 18 2 18 19 15 2 18 19 0 19 18 15 0 15 1 18 19 1 0 18 15 18 0 2 18 2 1 15 18 1 0 2 15 19 15 0 1 15 19 0 2 15 2 0 18 19 1 2 0 18 15 19 0 19 15 19 18 15 2 15 0 1 2 18 19 15 1 18 19 2 19 15 0 15 2 19 1 15 1 2 0 1 0 19 15 0 15 2 0 1 0 2 0 15 0 18 2 19 2 15 1 0 2 1 2 15 18 2 18 0 19 15 18 19 2 15 2 19 2 15 0 18 19 18 1 2 0 15 18 15 0 1 15 1 2 18 2 15 19 18 0 1 19 2 15 0 19 15 19 18 0 2 15 0 19 15 0 15 18 15 0 19 1 2 0 15 2 0 18 19 2 1 18 1 15 0 18 15 18 2 15 0 18 2 19 18 19 1 2 0 18 2 0 1 0 18 19 1 0 2 18 2 15 18 1 2 0 18 2 18 19 0 18 19 15 19 18 19 2 1 18 0 2 0 15 1 2 15 0 18 15 1 2 18 15 19 1 0 2 0 15 1 2 0 1 2 18 0 1 15 1 2 19 0 2 0 18 0 15 18 19 0 1 19 15 0 15 19 15 1 0 2 1 15 1 19 0 15 18 19 1 0 2 1 0 1 15 18 19 15 1 15 18 19 18 2 0 2 19 1 0 1 15 18 2 1 2 18 19 15 2 0 15 1 19 18 19 15 0 1 19 15 18 15 1 0 19 2 1 2 0 18 19 0 19 15 19 0 18 0 15 18 15 19 15 0 15 2 1 18 2 0 2 18 15 0 15 1 18 15 19 1 0 19 18 0 18 15 0 18 2 19 18 19 0 1 19 1 18 15 0 1 19 2 15 19 0 15 1 0 18 19 2 0 1 18 0 2 15 1 19 2 15 1 0 18 2 15 19 15 0 2 15 19 18 0 2 0 1 15 18 1 2 18 19 2 15 18 2 19 0 2 1 0 18 2 0 1 2 15 0 18 1 19 15 2 0 18 2 19 15 18 2 19 18 1 0 15 2 0 1 0 15 18 0 1 2 0 19 0 18 15 0 1 15 2 0 15 0 19 0 1 15 2 0 2 1 0 1 15 1 0 2 0 18 1 18 2 1 18 15 0 19 1 0 15 0 2 0 19 0 15 18 1 0 18 0 19 1 2 19 1 0 18 15 0 1 0 19 2 0 2 1 0 2 0 15 1 0 19 1 19 2 0 15 1 2 18 2 15 19 1 19 0 2 1 0 15 19 15 18 2 1 2 18 15 18 19 15 0 15 18 2 19 2 1 15 18 2 15 0 18 0 1 2 19 15 1 0 2 1 15 1 2 19 0 19 15 18 2 15 1 2 0 1 19 2 19 15 1 2 19 18 15 19 1 15 2 19 2 18 2 1 2 0 1 18 0 1 19 15 1 0 2 15 18 19 2 1 18 0 15 2 19 0 18 0 2 1 0 15 2 18 0 2 19 18 19 1 15 0 18 19 1 2 15 18 2 15 0 1 15 18 19 1 0 15 1 0 19 0 2 1 0 15 2 18 19 0 19 1 15 2 0 18 1 0 2 1 0 1 18 2 19 15 0 15 1 19 0 15 18 1 2 0 2 1 19 0 19 18 0 18 1 19 2 0 18 0 2 15 0 2 1 0 18 2 15 18 1 15 0 15 2 19 18 0 19 2 1 0 19 18 2 15 1 0 18 19 0 1 2 18 15 1 0 19 18 15 1 15 2 18 1 0 15 19 0 15 1 2 19 0 1 0 15 19 18 0 19 18 19 1 19 2 15 19 0 19 1 15 2 15 19 2 19 18 19 2 15 2 19 1 2 0 15 1 2 19 18 0 2 19 18 19 1 2 0 18 1 2 0 15 1 19 0 1 0 2 19 2 15 19 2 1 0 2 0 19 2 0 15 0 2 19 0 19 1 0 18 15 19 18 0 1 0 18 19 18 2 1 2 18 0 1 2 1 18 15 19 1 18 19 2 19 15 2 19 0 15 19 1 0 15 0 2 0 15 1 19 1 2 19 15 18 1 19 2 0 19 0 18 2 0 18 1 15 2 0 15 19 15 18 15 19 2 18 15 19 0 15 19 18 15 19 0 15 0 1 18 1 19 1 15 18 15 19 18 19 1 15 1 0 19 18 19 2 1 0 2 15 1 19 15 2 19 15 18 1 15 19 2 15 19 1 19 18 0 2 15 1 15 19 1 2 19 1 0 15 1 2 0 15 2 0 18 15 18 2 19 18 0 18 19 2 19 18 1 19 1 2 0 18 2 15 1 0 2 18 1 0 18 15 19 18 0 19 2 1 2 19 18 2 15 2 1 2 18 0 1 15 0 2 0 19 0 18 15 1 15 0 1 0 18 2 15 19 1 2 0 19 1 0 15 18 2 15 18 0 19 2 18 15 1 2 1 0 2 1 19 1 18 1 0 2 1 0 19 15 18 2 19 0 15 18 15 19 18 1 19 1 2 15 18 15 2 15 0 19 0 15 18 19 1 0 19 1 19 15 19 0 2 19 2 15 18 19 0 18 19 15 1 15 18 15 2 18 0 2 19 1 18 0 1 2 18 15 1 19 0 2 19 0 15 2 0 15 0 18 1 15 18 0 2 15 18 15 19 0 2 18 0 2 19 1 15 0 2 0 1 19 0 19 2 18 19 2 15 0 15 19 18 0 1 0 2 18 1 15 18 19 0 2 18 2 15 2 19 0 2 1 19 18 19 2 18 15 0 18 15 18 19 2 15 18 0 19 2 19 18 19 2 15 19 18 2 18 15 18 2 1 2 18 15 0 18 19 1 15 18 15 19 2 15 19 18 19 1 18 15 1 15 2 0 2 1 15 19 2 1 18 2 19 18 15 2 1 19 18 19 0 15 19 1 2 0 19 2 18 15 0 1 19 15 1 2 15 0 18 19 2 0 2 19 15 19 0 19 1 2 0 1 19 1 15 1 0 1 15 2 15 18 0 2 18 1 0 15 1 15 19 18 0 15 18 2 0 15 2 19 2 0 18 19 0 19 15 18 19 0 2 18 0 2 1 0 2 15 18 2 1 15 18 19 18 15 18 1 15 2 15 19 2 1 18 19 2 19 18 0 18 19 18 1 15 18 0 2 1 15 2 18 1 18 19 15 19 0 15 18 15 19 15 0 15 1 19 2 1 0 15 18 1 0 2 0 1 15 2 0 15 0 18 2 1 2 15 19 1 0 2 15 18 15 19 18 0 2 18 19 18 15 1 18 19 2 1 0 15 2 1 18 1 0 18 0 15 19 18 19 0 2 18 19 15 19 18 1 0 18 2 1 2 0 2 15 2 18 2 15 2 19 2 18 2 0 15 1 18 0 15 0 1 19 15 19 0 2 15 1 0 15 0 2 15 1 2 18 1 15 19 2 18 0 2 0 1 15 0 19 0 18 2 19 18 0 1 19 15 18 0 18 1 19 2 15 2 0 15 2 1 2 15 0 2 19 15 0 2 0 15 18 15 2 0 15 19 15 2 15 19 15 18 1 15 0 2 19 1 2 0 18 15 1 19 2 1 19 18 1 15 19 18 15 0 15 18 2 0 15 19 18 0 2 1 19 15 18 15 1 2 0 2 19 18 15 2 0 19 15 2 0 15 1 15 18 15 19 2 18 19 18 0 19 18 2 19 0 15 1 19 15 18 0 19 18 19 15 18 19 18 2 18 19 18 0 19 15 18 2 0 18 19 2 1 2 19 15 2 18 1 2 15 18 19 18 1 18 15 19 15 18 1 15 18 2 19 2 15 2 18 19 15 19 0 19 18 2 0 1 2 1 19 1 18 19 15 1 19 15 0 1 18 19 18 1 15 2 0 18 1 15 19 15 18 19 2 15 18 19 15 0 18 19 2 15 19 18 2 19 15 2 1 18 19 15 19 18 19 2 15 19 18 2 0 19 0 15 1 2 18 19 2 15 18 19 18 0 18 19 1 2 0 18 19 1 18 1 0 15 0 2 19 15 0 1 19 15 2 15 1 15 19 15 0 19 2 1 15 18 19 1 0 19 1 19 18 15 18 2 19 2 15 0 15 18 0 19 2 1 2 0 18 19 2 0 18 2 0 15 2 1 0 2 0 19 18 2 19 18 15 2 19 2 0 19 15 2 0 18 19 15 1 15 18 19 15 18 0 15 18 2 0 18 1 15 18 19 2 19 15 18 19 15 2 15 18 15 19 15 18 0 15 2 15 18 19 18 2 18 15 18 1 19 18 1 0 18 2 15 0 19 1 0 19 2 18 19 15 2 0 18 15 1 19 18 0 18 19 18 2 18 15 18 19 1 18 19 2 15 18 15 1 0 19 1 19 18 19 15 18 15 1 19 0 19 15 2 15 1 2 0 18 2 15 2 18 2 0 19 18 15 19 2 18 2 1 18 15 18 2 18 15 0 15 19 15 18 15 2 15 19 18 15 19 0 15 1 19 1 2 19 1 15 19 0 19 18 15 0 18 15 18 2 15 2 1 15 19 15 0 15 18 0 18 2 0 18 1 18 15 0 2 0 1 0 18 0 2 1 2 18 1 18 0 18 15 18 2 19 15 19 1 0 15 18 19 2 15 18 1 0 18 2 18 15 1 18 2 1 18 19 2 19 0 1 0 18 19 2 0 1 19 15 19 18 0 15 2 18 0 19 2 0 15 18 0 15 1 15 18 19 15 18 15 0 19 2 15 18 15 19 15 18 2 18 15 18 0 15 2 19 18 0 15 19 0 19 18 19 0 19 15 2 0 2 15 2 19 15 0 19 1 2 19 18 2 19 15 18 19 18 1 15 0 18 0 2 18 1 15 18 2 0 19 15 1 18 0 2 18 0 18 19 0 19 1 15 18 0 1 15 0 15 18 19 1 15 18 0 15 1 15 2 1 19 0 2 18 15 19 0 2 18 0 2 1 0 1 19 0 15 19 0 18 2 18 1 2 19 15 1 18 2 18 19 0 15 0 19 1 0 1 18 2 0 15 19 1 0 19 0 15 0 18 19 0 1 0 18 19 15 2 19 18 15 19 1 2 0 15 0 1 19 1 15 19 18 15 0 15 18 19 15 1 19 15 0 18 19 15 2 0 19 18 19 2 1 2 15 18 2 0 1 15 2 19 18 19 0 15 18 15 0 15 19 2 0 2 19 18 15 0 18 2 15 18 19 2 19 15 2 19 2 0 15 2 1 0 2 18 15 2 18 2 19 15 1 19 2 0 15 2 18 15 0 18 19 15 2 19 18 15 18 19 0 18 19 15 18 19 2 18 15 2 18 0 2 18 1 18 19 18 1 18 15 18 19 18 15 2 1 15 0 1 2 18 2 15 2 0 15 19 15 18 19 18 0 15 18 19 1 2 15 1 15 18 0 18 2 18 19 0 18 2 19 2 0 15 0 1 15 2 0 15 2 19 1 19 15 0 18 15 18 19 18 2 19 18 15 2 1 2 0 1 18 19 15 18 19 18 0 19 1 15 19 1 2 1 18 0 15 2 0 1 19 2 0 15 19 18 1 18 19 15 18 1 15 0 1 2 0 15 1 19 1 15 0 15 1 15 18 15 2 15 18 19 0 19 2 15 1 18 0 15 0 2 15 2 18 15 19 18 19 0 18 15 18 2 1 0 1 15 2 0 15 18 15 2 15 0 15 1 18 2 0 15 18 0 2 19 0 15 19 18 19 0 15 2 19 2 18 0 1 15 2 0 15 18 0 2 0 19 0 15 18 19 2 18 15 1 0 1 15 2 19 15 1 15 2 0 15 1 0 1 2 0 19 0 18 0 19 1 2 19 18 15 2 0 15 19 0 18 15 19 15 0 15 19 18 0 2 1 15 18 19 15 19 2 19 18 15 1 19 18 15 18 19 0 1 15 0 18 2 0 2 15 0 18 2 19 18 19 15 0 19 0 1 15 1 18 19 2 15 1 0 18 2 19 18 1 0 18 19 0 19 15 19 18 0 2 1 18 19 15 19 18 19 0 15 19 18 0 2 15 0 1 18 15 0 15 18 15 0 2 19 15 1 2 0 18 15 19 18 1 2 19 18 1 18 19 15 19 0 19 2 15 0 1 2 1 15 2 19 1 15 0 18 19 1 2 15 19 18 15 19 2 0 15 1 2 19 15 1 18 0 2 19 0 15 1 2 15 0 2 15 19 0 2 0 15 18 15 19 18 15 2 15 1 15 19 0 1 2 15 19 18 0 1 19 0 2 15 19 18 15 19 2 15 2 1 0 15 2 1 19 1 0 2 18 15 1 15 18 19 15 2 19 0 15 2 19 18 15 19 18 19 2 1 15 0 1 19 1 15 2 19 1 2 0 1 2 15 19 0 15 0 2 18 1 15 19 2 15 19 0 1 15 0 2 1 18 0 1 2 1 0 15 1 2 18 19 0 19 1 0 1 18 19 1 18 15 19 1 2 19 0 18 2 19 0 15 0 1 18 2 19 2 15 0 2 19 0 19 18 15 0 1 18 2 0 15 19 1 2 15 1 15 18 15 19 15 1 18 15 0 1 19 15 18 19 2 18 1 0 2 18 15 19 2 1 0 18 0 15 1 18 15 2 18 1 2 19 1 15 2 0 1 2 18 0 1 19 2 19 0 18 2 19 18 15 1 2 19 0 15 1 19 15 2 19 18 1 15 18 0 15 0 2 18 15 0 19 2 0 18 19 18 2 15 1 0 2 1 18 0 18 2 0 19 18 19 2 15 19 18 15 18 2 0 19 18 0 19 15 0 1 2 0 18 1 18 15 19 18 15 2 1 18 19 18 2 15 18 19 18 15 18 0 19 18 15 1 19 18 19 0 2 1 19 15 0 15 2 18 15 2 19 0 2 15 1 2 19 0 1 19 18 15 19 0 19 18 0 18 15 18 1 15 18 19 1 0 15 2 18 15 19 2 15 18 0 15 2 1 2 0 2 15 19 2 1 18 2 19 18 19 0 15 2 19 15 1 0 15 2 18 19 18 0 2 18 1 0 2 1 19 1 18 0 15 1 2 0 19 15 2 18 15 18 19 0 1 15 19 2 18 2 19 0 15 1 2 0 19 1 2 19 18 19 1 15 19 18 19 0 15 18 19 2 15 2 1 2 0 15 19 0 19 2 1 0 15 1 0 19 2 18 15 2 19 0 2 18 19 2 15 1 0 2 18 1 0 18 15 19 0 19 15 2 18 2 19 18 1 0 2 19 0 2 1 15 19 0 2 0 1 15 18 0 1 15 19 2 1 0 18 1 15 19 18 15 0 15 2 1 0 18 15 19 2 0 2 1 15 1 0 19 2 1 2 0 1 18 0 1 2 0 2 18 0 18 1 2 19 1 19 0 15 19 1 0 2 0 1 18 15 0 2 19 0 2 1 15 19 15 1 0 18 19 2 15 0 1 19 15 18 15 1 15 0 18 0 1 19 1 15 18 2 0 2 15 18 19 18 0 18 19 2 1 15 0 2 1 0 18 2 18 15 2 19 15 2 0 18 15 0 19 0 15 1 19 2 1 0 15 18 2 0 15 0 1 2 1 19 1 15 1 2 19 2 18 1 15 18 2 1 18 19 2 19 15 19 18 19 1 0 15 19 2 18 1 15 19 18 0 15 19 15 1 0 2 1 18 19 15 2 1 0 2 18 1 15 2 0 1 18 19 15 18 2 19 18 19 0 1 2 15 18 1 2 19 2 1 0 19 2 18 15 2 0 2 18 0 1 15 18 15 0 18 2 15 0 15 1 2 0 15 19 2 0 1 2 19 0 2 19 18 2 0 1 2 0 15 18 2 0 19 2 19 18 19 0 18 0 15 18 19 0 18 19 2 19 0 19 15 18 0 2 15 0 1 2 15 19 15 2 18 1 2 0 1 19 15 2 1 15 0 1 0 18 1 15 2 15 18 15 1 0 18 0 15 0 2 18 19 2 15 0 15 1 19 2 0 15 2 1 15 0 2 15 0 15 18 1 2 0 18 0 2 19 2 0 1 2 15 1 15 18 1 0 1 2 0 15 2 1 0 2 0 15 19 18 0 15 1 15 0 19 1 15 2 1 18 19 15 18 0 19 15 1 15 2 1 2 19 0 2 15 2 18 0 19 15 18 0 2 0 1 18 2 1 2 0 1 2 18 0 15 0 2 1 19 0 2 1 18 0 18 15 0 19 0 15 0 1 15 2 0 1 0 15 18 1 19 18 0 1 15 0 2 19 2 0 18 19 15 18 2 15 18 15 0 15 18 15 1 19 15 19 2 1 19 15 0 1 15 2 15 0 18 2 0 19 2 1 0 19 18 0 18 15 19 18 0 1 19 15 2 0 1 2 18 0 2 1 19 2 1 2 0 15 2 18 1 18 0 1 2 19 18 2 0 18 19 18 2 19 2 1 2 19 0 15 18 15 19 2 15 1 0 18 2 1 2 18 2 0 18 19 15 19 18 1 2 0 2 18 0 18 19 2 18 19 0 19 2 19 15 18 19 2 18 0 1 18 15 1 0 2 1 2 18 19 18 0 19 2 1 0 2 0 15 1 18 0 2 1 15 19 15 18 15 0 19 18 2 15 2 19 2 0 15 18 15 0 15 18 1 18 0 2 0 1 2 15 0 1 19 18 0 1 18 1 2 18 19 15 1 19 2 1 0 2 15 18 15 1 15 2 1 19 15 2 0 2 1 2 0 18 0 1 0 15 0 2 18 19 2 19 15 18 15 0 1 19 0 2 1 15 1 0 1 15 19 1 19 2 1 15 1 2 18 1 0 2 1 2 19 2 1 15 2 19 2 1 2 19 18 19 2 15 19 15 0 15 2 18 19 2 0 2 19 2 1 19 18 15 2 18 0 19 15 0 19 2 1 2 0 2 1 2 18 0 18 15 19 18 2 15 1 2 15 18 15 19 2 1 18 15 18 0 2 19 18 0 1 2 0 19 15 19 2 19 15 18 19 0 2 19 2 1 2 18 0 19 15 18 19 2 0 19 18 19 0 15 18 19 0 18 2 18 15 19 2 1 15 19 15 0 18 15 19 18 2 19 0 18 19 18 1 0 15 18 0 2 0 15 2 19 2 0 19 18 0 19 15 18 2 15 0 2 19 1 2 19 18 15 19 2 1 19 2 19 0 18 2 0 1 2 19 1 18 1 0 2 0 18 15 0 1 15 0 2 1 18 15 19 18 1 18 2 19 2 15 1 2 19 0 19 18 15 2 19 18 19 2 1 2 15 2 1 2 18 2 15 0 18 2 1 0 18 19 0 15 19 18 2 1 15 19 18 0 19 15 1 2 1 19 18 0 15 0 19 18 19 15 2 15 0 1 2 15 19 15 18 19 0 15 19 1 0 15 19 2 15 18 19 1 0 19 18 2 15 0 15 1 18 0 1 0 2 18 15 19 18 1 19 2 0 18 19 18 2 19 2 1 2 15 1 0 18 15 0 18 19 18 2 1 2 0 1 0 15 0 19 1 15 1 2 19 18 15 1 18 0 18 15 2 18 19 0 15 2 1 2 0 2 15 2 0 2 1 18 15 0 18 2 0 1 18 0 15 0 2 0 15 1 15 18 19 2 0 1 0 2 19 15 2 1 0 1 2 1 15 2 1 19 15 1 0 2 18 2 19 15 2 1 19 15 2 0 15 2 1 2 15 19 2 1 0 18 15 1 15 18 15 1 0 2 19 15 2 15 18 19 2 0 19 1 15 2 1 19 0 2 1 2 0 15 2 1 18 19 15 0 1 19 2 1 0 18 2 0 15 1 18 15 19 15 18 0 1 0 2 18 19 2 1 2 19 15 18 19 0 1 19 2 1 19 18 0 18 15 2 18 0 18 1 0 2 15 1 15 19 18 19 0 18 15 1 0 15 0 18 19 0 2 0 18 1 15 18 1 18 2 19 15 2 1 19 0 2 0 15 0 19 0 2 18 2 19 15 2 19 0 15 18 15 19 2 19 15 0 15 1 2 15 1 15 18 19 18 15 0 18 19 1 19 15 18 0 15 0 2 19 2 18 0 2 19 2 15 19 1 15 19 18 19 0 18 2 1 2 15 19 18 2 1 2 18 0 1 15 0 2 19 1 0 18 19 15 1 15 0 19 0

← previous record (244)

Alphabet {0, 1, 2, 15, 18, 19}

size 6 · diameter 19 · record length 6309 · JSON

open No exhaustive search has settled this alphabet; the record is a lower bound on the (possibly infinite) maximum.

Know the exact maximum? Log in to claim this alphabet closed.

Record history

• 6309 (was 244) — David Renshaw, 2026-10-05
• 244 (first) — Bryna Kra, 2026-08-26

Comments

• David Renshaw · 2026-10-05 15:48 UTC

  Found by beam search over prefixes scored by randomized DFS rollouts (from scratch, 3 min), then iterated cut-and-re-extend local search on both ends (~6 min, 10 cores).

Log in to comment.

← all record words