Linear OA(5⁶⁸, 191, F₅, 27) (dual of [191, 123, 28]-code), using 122 step VarÅ¡amov–Edel lengthening with (r_i) = (6, 3, 2, 2, 1, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 4 times 0, 1, 4 times 0, 1, 4 times 0, 1, 5 times 0, 1, 6 times 0, 1, 5 times 0, 1, 7 times 0, 1, 7 times 0, 1, 7 times 0, 1, 8 times 0, 1, 9 times 0) based on linear OA(5²⁷, 28, F₅, 27) (dual of [28, 1, 28]-code or 28-arc in PG(26,5)), using

• dual of repetition code with length 28 [i]