Linear OA(7⁷⁵, 360, F₇, 29) (dual of [360, 285, 30]-code), using 284 step VarÅ¡amov–Edel lengthening with (r_i) = (5, 3, 1, 2, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 4 times 0, 1, 0, 0, 0, 1, 4 times 0, 1, 5 times 0, 1, 5 times 0, 1, 6 times 0, 1, 6 times 0, 1, 7 times 0, 1, 7 times 0, 1, 8 times 0, 1, 9 times 0, 1, 10 times 0, 1, 10 times 0, 1, 11 times 0, 1, 12 times 0, 1, 14 times 0, 1, 14 times 0, 1, 16 times 0, 1, 17 times 0, 1, 18 times 0, 1, 19 times 0, 1, 22 times 0) based on linear OA(7²⁹, 30, F₇, 29) (dual of [30, 1, 30]-code or 30-arc in PG(28,7)), using

• dual of repetition code with length 30 [i]