Linear OA(4¹⁶⁴, 5208, F₄, 33) (dual of [5208, 5044, 34]-code), using 5043 step VarÅ¡amov–Edel lengthening with (r_i) = (9, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 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, 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, 6 times 0, 1, 6 times 0, 1, 6 times 0, 1, 7 times 0, 1, 7 times 0, 1, 7 times 0, 1, 8 times 0, 1, 8 times 0, 1, 8 times 0, 1, 9 times 0, 1, 10 times 0, 1, 10 times 0, 1, 11 times 0, 1, 11 times 0, 1, 12 times 0, 1, 12 times 0, 1, 13 times 0, 1, 14 times 0, 1, 14 times 0, 1, 15 times 0, 1, 16 times 0, 1, 16 times 0, 1, 18 times 0, 1, 18 times 0, 1, 19 times 0, 1, 20 times 0, 1, 21 times 0, 1, 23 times 0, 1, 23 times 0, 1, 24 times 0, 1, 26 times 0, 1, 27 times 0, 1, 28 times 0, 1, 29 times 0, 1, 31 times 0, 1, 32 times 0, 1, 34 times 0, 1, 35 times 0, 1, 37 times 0, 1, 38 times 0, 1, 41 times 0, 1, 42 times 0, 1, 44 times 0, 1, 47 times 0, 1, 48 times 0, 1, 51 times 0, 1, 53 times 0, 1, 55 times 0, 1, 58 times 0, 1, 61 times 0, 1, 63 times 0, 1, 67 times 0, 1, 69 times 0, 1, 73 times 0, 1, 76 times 0, 1, 79 times 0, 1, 83 times 0, 1, 86 times 0, 1, 91 times 0, 1, 94 times 0, 1, 99 times 0, 1, 104 times 0, 1, 108 times 0, 1, 113 times 0, 1, 118 times 0, 1, 123 times 0, 1, 129 times 0, 1, 135 times 0, 1, 140 times 0, 1, 147 times 0, 1, 154 times 0, 1, 161 times 0, 1, 167 times 0, 1, 175 times 0, 1, 183 times 0, 1, 192 times 0, 1, 200 times 0, 1, 209 times 0, 1, 218 times 0) based on linear OA(4³³, 34, F₄, 33) (dual of [34, 1, 34]-code or 34-arc in PG(32,4)), using

• dual of repetition code with length 34 [i]