Linear OA(4¹⁵⁵, 5195, F₄, 31) (dual of [5195, 5040, 32]-code), using 5039 step VarÅ¡amov–Edel lengthening with (r_i) = (9, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 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, 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, 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, 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, 13 times 0, 1, 13 times 0, 1, 14 times 0, 1, 15 times 0, 1, 15 times 0, 1, 17 times 0, 1, 17 times 0, 1, 18 times 0, 1, 19 times 0, 1, 20 times 0, 1, 22 times 0, 1, 22 times 0, 1, 24 times 0, 1, 24 times 0, 1, 26 times 0, 1, 27 times 0, 1, 29 times 0, 1, 30 times 0, 1, 32 times 0, 1, 33 times 0, 1, 35 times 0, 1, 36 times 0, 1, 39 times 0, 1, 40 times 0, 1, 42 times 0, 1, 45 times 0, 1, 46 times 0, 1, 49 times 0, 1, 51 times 0, 1, 54 times 0, 1, 57 times 0, 1, 59 times 0, 1, 62 times 0, 1, 65 times 0, 1, 69 times 0, 1, 71 times 0, 1, 75 times 0, 1, 79 times 0, 1, 83 times 0, 1, 87 times 0, 1, 91 times 0, 1, 95 times 0, 1, 100 times 0, 1, 104 times 0, 1, 110 times 0, 1, 115 times 0, 1, 120 times 0, 1, 126 times 0, 1, 133 times 0, 1, 139 times 0, 1, 145 times 0, 1, 152 times 0, 1, 160 times 0, 1, 167 times 0, 1, 175 times 0, 1, 184 times 0, 1, 192 times 0, 1, 202 times 0, 1, 211 times 0, 1, 222 times 0, 1, 232 times 0) based on linear OA(4³¹, 32, F₄, 31) (dual of [32, 1, 32]-code or 32-arc in PG(30,4)), using

• dual of repetition code with length 32 [i]