Linear OA(256⁵⁴, 779, F₂₅₆, 32) (dual of [779, 725, 33]-code), using 469 step VarÅ¡amov–Edel lengthening with (r_i) = (11, 1, 0, 0, 1, 4 times 0, 1, 8 times 0, 1, 14 times 0, 1, 25 times 0, 1, 40 times 0, 1, 59 times 0, 1, 81 times 0, 1, 102 times 0, 1, 123 times 0) based on linear OA(256³³, 289, F₂₅₆, 32) (dual of [289, 256, 33]-code), using

• extended algebraic-geometric code AG_e(F,256P) [i] based on function field F/F₂₅₆ with g(F) = 1 and N(F) ≥ 289, using
  • sharp bound on the number of rational points on curves with genus 1 [i]