The generator matrix

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

generates a code of length 89 over Z8 who´s minimum homogenous weight is 79.

Homogenous weight enumerator: w(x)=1x^0+176x^79+534x^80+854x^81+1304x^82+1572x^83+1854x^84+1844x^85+2352x^86+2320x^87+2593x^88+2394x^89+2380x^90+2374x^91+2398x^92+2066x^93+1677x^94+1256x^95+990x^96+560x^97+530x^98+312x^99+226x^100+94x^101+41x^102+32x^103+8x^104+10x^105+4x^106+6x^107+4x^108+2x^113

The gray image is a code over GF(2) with n=356, k=15 and d=158.
This code was found by Heurico 1.11 in 21.2 seconds.