The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+52x^79+129x^80+256x^81+370x^82+502x^83+815x^84+938x^85+1376x^86+1686x^87+1810x^88+2206x^89+2498x^90+2480x^91+2515x^92+2720x^93+2508x^94+2364x^95+1808x^96+1508x^97+1259x^98+848x^99+672x^100+426x^101+355x^102+218x^103+146x^104+116x^105+70x^106+34x^107+37x^108+18x^109+8x^110+6x^111+2x^112+2x^113+3x^114+1x^116+2x^117+1x^118+2x^119

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 71.8 seconds.