Linear OA(5⁴⁷, 4638, F₅, 10) (dual of [4638, 4591, 11]-code), using 4590 step VarÅ¡amov–Edel lengthening with (r_i) = (2, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 4 times 0, 1, 6 times 0, 1, 7 times 0, 1, 8 times 0, 1, 10 times 0, 1, 13 times 0, 1, 16 times 0, 1, 19 times 0, 1, 23 times 0, 1, 29 times 0, 1, 34 times 0, 1, 41 times 0, 1, 50 times 0, 1, 60 times 0, 1, 72 times 0, 1, 87 times 0, 1, 104 times 0, 1, 125 times 0, 1, 150 times 0, 1, 179 times 0, 1, 215 times 0, 1, 258 times 0, 1, 308 times 0, 1, 369 times 0, 1, 442 times 0, 1, 528 times 0, 1, 633 times 0, 1, 757 times 0) based on linear OA(5¹¹, 12, F₅, 10) (dual of [12, 1, 11]-code), using

• strength reduction [i] based on linear OA(5¹¹, 12, F₅, 11) (dual of [12, 1, 12]-code or 12-arc in PG(10,5)), using
  • dual of repetition code with length 12 [i]