The generator matrix

 1  0  1  1  1  1  1  1  1  1  1  0  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  7  1  7  1  1  1  1  1  1  1  1  1  1 42  1  1  1  1 21  1  1  1  1  1  1 21  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1
 0  1  1 31 16 48  4 19  0 36 31  1 16 19 48  4 36  7 38 26  9  9  6  6 44 20 46  1 46  1 32 32  7 43 38 26 21 43 45 33  1 21 22 45 33  1 44 20 23 41 42 22  1 11 37 27 37 27  3  3 38 23 41 45 14 42 21 14 24  6 16 42 31 44 20 24 48  7  9 22 36  1 29 29  1
 0  0 35 21 42  7 14 21  7 28 14  7 35  0  0 28 42 14 42 28  7 21 35 21 14 28  0 42 42 14  7 35 42 21 28 35 21  0  7 14 28 35  7  0 42 21 28 14  7 35 28 14 35 21  0 42 14 28 28 35  0 21 21 21 35  0  7 28 14  7  0 14 35 42  0  7 42 21 35  0  7 21 14 35 28

generates a code of length 85 over Z49 who´s minimum homogenous weight is 502.

Homogenous weight enumerator: w(x)=1x^0+4410x^502+1764x^503+144x^504+4284x^509+588x^510+126x^511+1134x^516+1764x^517+36x^518+2520x^523+18x^525+12x^546+6x^553

The gray image is a code over GF(7) with n=595, k=5 and d=502.
This code was found by Heurico 1.16 in 8.35 seconds.