Linear OA(5⁴⁷, 729, F₅, 13) (dual of [729, 682, 14]-code), using 681 step VarÅ¡amov–Edel lengthening with (r_i) = (3, 2, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 4 times 0, 1, 5 times 0, 1, 6 times 0, 1, 8 times 0, 1, 9 times 0, 1, 10 times 0, 1, 12 times 0, 1, 13 times 0, 1, 16 times 0, 1, 19 times 0, 1, 22 times 0, 1, 25 times 0, 1, 29 times 0, 1, 34 times 0, 1, 38 times 0, 1, 44 times 0, 1, 51 times 0, 1, 59 times 0, 1, 68 times 0, 1, 77 times 0, 1, 89 times 0) based on linear OA(5¹³, 14, F₅, 13) (dual of [14, 1, 14]-code or 14-arc in PG(12,5)), using

• dual of repetition code with length 14 [i]