Linear OA(4²⁰¹, 4209, F₄, 43) (dual of [4209, 4008, 44]-code), using 4007 step VarÅ¡amov–Edel lengthening with (r_i) = (12, 5, 3, 3, 2, 1, 1, 1, 2, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 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, 1, 0, 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, 4 times 0, 1, 0, 0, 0, 1, 4 times 0, 1, 4 times 0, 1, 5 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, 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, 9 times 0, 1, 9 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, 14 times 0, 1, 15 times 0, 1, 16 times 0, 1, 16 times 0, 1, 17 times 0, 1, 17 times 0, 1, 18 times 0, 1, 19 times 0, 1, 19 times 0, 1, 20 times 0, 1, 21 times 0, 1, 22 times 0, 1, 22 times 0, 1, 24 times 0, 1, 24 times 0, 1, 25 times 0, 1, 26 times 0, 1, 27 times 0, 1, 27 times 0, 1, 29 times 0, 1, 30 times 0, 1, 31 times 0, 1, 32 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, 55 times 0, 1, 58 times 0, 1, 59 times 0, 1, 62 times 0, 1, 64 times 0, 1, 66 times 0, 1, 68 times 0, 1, 71 times 0, 1, 73 times 0, 1, 75 times 0, 1, 78 times 0, 1, 81 times 0, 1, 84 times 0, 1, 86 times 0, 1, 90 times 0, 1, 93 times 0, 1, 95 times 0, 1, 99 times 0, 1, 103 times 0, 1, 106 times 0, 1, 109 times 0, 1, 113 times 0, 1, 117 times 0, 1, 122 times 0, 1, 125 times 0, 1, 130 times 0, 1, 134 times 0) based on linear OA(4⁴³, 44, F₄, 43) (dual of [44, 1, 44]-code or 44-arc in PG(42,4)), using

• dual of repetition code with length 44 [i]