Linear OA(5¹⁸, 7101, F₅, 4) (dual of [7101, 7083, 5]-code), using 6494 step VarÅ¡amov–Edel lengthening with (r_i) = (1, 15 times 0, 1, 70 times 0, 1, 232 times 0, 1, 530 times 0, 1, 984 times 0, 1, 1714 times 0, 1, 2942 times 0) based on linear OA(5¹¹, 600, F₅, 4) (dual of [600, 589, 5]-code), using

• base reduction for projective spaces (embedding PG(5,25) in PG(10,5)) [i] based on linear OA(25⁶, 600, F₂₅, 4) (dual of [600, 594, 5]-code), using
  • 1 times truncation [i] based on linear OA(25⁷, 601, F₂₅, 5) (dual of [601, 594, 6]-code), using
    • a code by Danev and Olsson [i]