The generator matrix

 1  0  0  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1 21 28  1  7  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1 42  1  1 21  1  1  1  1  1  1  1  0  1  7  1  1  1  1  1 14  1  1  1  1  1  1  1  1  1  1  1  1  1  1 42  1  1  1  1  1
 0  1  0 35 21 42  1 17 30 36 29 43 16 48 10 31 34 23 39  4 27  1  1 45  1 15 21 37 13 32 46 12  7 41 40 29 33 44 40  5  3 48 23  1 38 34  1 26 36 14  4 32 30 39  1 43  1 47 22  0 25 37  1  5 35 32 44 39 19 47  6 11  1 37 44 29 10  1 23 11  8 46 43
 0  0  1 36 31 16 30 23  9  5 20 17 10  6  1 19 32 47 25 21  8 11 33 39  1 14  4 34  3 23 43 40 26  0 15 11 38 32 41 28 24 44 42  3 20 47 44 11 29  6  3 48 22 19 18  7 40 45 10 15  5 35 37 44 37  7 16 18 42 39 33 18 11 19 36  1 15 29 24 28 25  5 31

generates a code of length 83 over Z49 who´s minimum homogenous weight is 482.

Homogenous weight enumerator: w(x)=1x^0+2268x^482+3648x^483+1974x^484+1092x^485+294x^486+2100x^487+2646x^488+7812x^489+7992x^490+4074x^491+2730x^492+588x^493+2730x^494+2856x^495+9618x^496+7746x^497+4326x^498+3024x^499+588x^500+2940x^501+2520x^502+8232x^503+7758x^504+4158x^505+3444x^506+588x^507+2520x^508+2268x^509+7056x^510+6078x^511+1932x^512+6x^518+30x^525+12x^532

The gray image is a code over GF(7) with n=581, k=6 and d=482.
This code was found by Heurico 1.16 in 5.94 seconds.