Linear OA(7³⁶, 483, F₇, 12) (dual of [483, 447, 13]-code), using 446 step VarÅ¡amov–Edel lengthening with (r_i) = (2, 1, 1, 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 5 times 0, 1, 5 times 0, 1, 8 times 0, 1, 9 times 0, 1, 11 times 0, 1, 14 times 0, 1, 16 times 0, 1, 21 times 0, 1, 25 times 0, 1, 30 times 0, 1, 36 times 0, 1, 43 times 0, 1, 52 times 0, 1, 63 times 0, 1, 76 times 0) based on linear OA(7¹², 13, F₇, 12) (dual of [13, 1, 13]-code or 13-arc in PG(11,7)), using

• dual of repetition code with length 13 [i]