Linear OA(4²⁰¹, 4833, F₄, 42) (dual of [4833, 4632, 43]-code), using 4631 step VarÅ¡amov–Edel lengthening with (r_i) = (12, 5, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 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, 4 times 0, 1, 4 times 0, 1, 5 times 0, 1, 5 times 0, 1, 5 times 0, 1, 5 times 0, 1, 6 times 0, 1, 6 times 0, 1, 6 times 0, 1, 7 times 0, 1, 6 times 0, 1, 7 times 0, 1, 8 times 0, 1, 7 times 0, 1, 8 times 0, 1, 9 times 0, 1, 8 times 0, 1, 9 times 0, 1, 10 times 0, 1, 10 times 0, 1, 10 times 0, 1, 11 times 0, 1, 11 times 0, 1, 11 times 0, 1, 12 times 0, 1, 13 times 0, 1, 13 times 0, 1, 13 times 0, 1, 14 times 0, 1, 15 times 0, 1, 15 times 0, 1, 16 times 0, 1, 16 times 0, 1, 17 times 0, 1, 18 times 0, 1, 18 times 0, 1, 19 times 0, 1, 20 times 0, 1, 21 times 0, 1, 21 times 0, 1, 22 times 0, 1, 23 times 0, 1, 24 times 0, 1, 24 times 0, 1, 26 times 0, 1, 26 times 0, 1, 28 times 0, 1, 28 times 0, 1, 30 times 0, 1, 31 times 0, 1, 31 times 0, 1, 33 times 0, 1, 34 times 0, 1, 36 times 0, 1, 37 times 0, 1, 38 times 0, 1, 39 times 0, 1, 41 times 0, 1, 42 times 0, 1, 44 times 0, 1, 45 times 0, 1, 47 times 0, 1, 49 times 0, 1, 50 times 0, 1, 52 times 0, 1, 54 times 0, 1, 56 times 0, 1, 58 times 0, 1, 60 times 0, 1, 63 times 0, 1, 64 times 0, 1, 67 times 0, 1, 69 times 0, 1, 71 times 0, 1, 74 times 0, 1, 77 times 0, 1, 79 times 0, 1, 83 times 0, 1, 85 times 0, 1, 88 times 0, 1, 91 times 0, 1, 94 times 0, 1, 98 times 0, 1, 101 times 0, 1, 105 times 0, 1, 108 times 0, 1, 112 times 0, 1, 116 times 0, 1, 120 times 0, 1, 124 times 0, 1, 129 times 0, 1, 133 times 0, 1, 138 times 0, 1, 142 times 0, 1, 148 times 0, 1, 153 times 0, 1, 158 times 0) based on linear OA(4⁴², 43, F₄, 42) (dual of [43, 1, 43]-code or 43-arc in PG(41,4)), using

• dual of repetition code with length 43 [i]