The generator matrix

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

generates a code of length 92 over Z8 who´s minimum homogenous weight is 79.

Homogenous weight enumerator: w(x)=1x^0+74x^79+132x^80+260x^81+305x^82+704x^83+574x^84+1176x^85+875x^86+2002x^87+1431x^88+2762x^89+1862x^90+3234x^91+1970x^92+3376x^93+1960x^94+2808x^95+1395x^96+1996x^97+799x^98+1052x^99+498x^100+568x^101+276x^102+322x^103+113x^104+82x^105+44x^106+34x^107+18x^108+16x^109+16x^110+10x^111+6x^112+4x^113+6x^114+4x^116+1x^118+2x^120

The gray image is a code over GF(2) with n=368, k=15 and d=158.
This code was found by Heurico 1.16 in 78.1 seconds.