The generator matrix

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

generates a code of length 92 over Z8 who´s minimum homogenous weight is 86.

Homogenous weight enumerator: w(x)=1x^0+368x^86+112x^87+690x^88+104x^89+752x^90+92x^91+503x^92+60x^93+400x^94+52x^95+324x^96+40x^97+224x^98+12x^99+163x^100+8x^101+96x^102+20x^103+33x^104+8x^105+16x^106+10x^108+4x^109+4x^112

The gray image is a code over GF(2) with n=368, k=12 and d=172.
This code was found by Heurico 1.11 in 75.4 seconds.