The generator matrix

 1  0  1  1  1  6  1  1  0  1  1  2  1  1  0  1  1  4  1  1  2  1  2  1  1  1  6  1  1  1  0  4  1  1  1  2  1  1  2  1  4  1  4  1  1  1  2  1  1  1  0  1  1  1  4  1  0  1  1  1  2  1  1  6  4  1  1  0  2  1  1  1  1  1  1  1  6  4  1  0  1  2  1  1  1  6  1  1  1  2  2  0  4  0  2  4  2
 0  1  1  0  3  1  2  3  1  6  5  1  0  7  1  1  2  1  5  4  1  6  1  3  7  2  1  1  7  6  1  1  3  4  2  1  4  3  1  0  1  3  1  5  0  1  1  4  1  1  1  0  7  4  1  4  1  5  1  4  1  5  6  1  1  6  5  1  1  6  2  6  4  5  3  6  1  1  3  1  4  6  6  2  2  1  6  1  1  6  4  0  1  0  4  1  4
 0  0  2  0  6  0  0  2  0  4  6  4  2  0  2  0  6  2  4  6  6  6  2  0  2  4  6  6  0  0  6  0  4  0  4  2  6  2  2  4  0  0  2  4  2  2  0  0  4  4  6  4  0  0  4  2  6  4  4  6  0  0  6  0  6  0  6  0  0  4  4  2  2  2  4  6  6  2  0  6  2  4  0  4  6  4  6  6  2  2  2  4  4  0  0  6  2
 0  0  0  2  0  0  2  2  6  4  2  2  2  2  6  6  4  4  0  0  4  6  6  4  0  6  2  2  2  4  6  4  4  6  0  4  0  6  6  6  6  0  0  0  6  0  6  4  6  0  2  0  0  6  0  2  4  0  0  4  4  6  2  6  4  2  2  2  6  0  4  6  6  4  0  6  4  0  6  6  4  2  0  0  0  0  0  2  2  2  4  2  0  2  6  2  0
 0  0  0  0  4  0  0  0  0  0  0  0  0  0  0  0  0  0  4  4  4  4  4  4  4  0  4  0  4  0  0  4  4  0  4  0  4  0  4  4  0  0  0  4  0  0  0  4  4  0  4  0  4  0  0  0  0  4  0  0  0  4  4  4  4  4  4  4  0  4  0  4  4  0  0  4  4  0  4  4  4  4  0  4  0  4  4  4  4  4  0  4  0  0  4  0  0
 0  0  0  0  0  4  0  0  0  0  0  0  0  0  4  0  0  0  0  0  0  0  4  4  0  0  4  4  4  4  4  4  0  4  0  4  4  0  0  4  4  0  4  0  4  4  0  0  0  0  4  4  4  4  0  0  4  4  0  0  4  4  4  4  0  0  0  4  4  0  4  4  4  0  4  0  0  0  0  4  4  4  0  0  4  0  4  0  0  4  4  0  4  4  0  0  4
 0  0  0  0  0  0  4  0  0  4  4  4  0  4  4  0  4  4  0  4  4  4  0  0  4  4  4  4  4  0  0  4  4  4  4  0  0  4  4  4  4  4  4  0  4  4  0  4  0  4  0  0  4  4  0  4  4  0  4  0  0  0  0  4  4  4  4  0  0  4  0  4  4  0  0  4  4  0  0  4  0  4  0  0  4  4  4  0  4  0  4  4  0  4  0  4  0
 0  0  0  0  0  0  0  4  0  0  4  0  4  4  4  4  4  4  0  0  0  0  0  0  0  4  4  4  4  4  0  0  0  0  0  0  4  0  0  4  4  4  4  0  0  4  0  0  4  0  4  0  0  0  4  4  0  4  4  4  4  0  4  4  4  4  4  0  0  4  4  4  0  0  4  4  0  4  0  0  0  4  4  0  4  4  0  4  0  4  4  0  4  4  0  4  4
 0  0  0  0  0  0  0  0  4  0  0  4  4  4  4  4  4  0  4  4  0  4  4  0  0  0  4  4  0  4  4  0  4  4  0  4  0  0  0  4  0  4  4  0  4  0  0  4  0  0  0  0  4  0  0  0  0  4  0  0  4  4  4  4  4  4  0  0  4  4  0  4  0  4  4  0  4  4  0  0  0  0  4  4  4  4  4  0  4  4  0  0  0  4  4  0  0

generates a code of length 97 over Z8 who´s minimum homogenous weight is 84.

Homogenous weight enumerator: w(x)=1x^0+142x^84+52x^85+452x^86+212x^87+747x^88+652x^89+1060x^90+1024x^91+1635x^92+2240x^93+2039x^94+2552x^95+2212x^96+2928x^97+2306x^98+2568x^99+1929x^100+2156x^101+1512x^102+1132x^103+1046x^104+612x^105+592x^106+184x^107+355x^108+64x^109+171x^110+8x^111+93x^112+46x^114+25x^116+10x^118+5x^120+4x^122+2x^124

The gray image is a code over GF(2) with n=388, k=15 and d=168.
This code was found by Heurico 1.16 in 76.9 seconds.