The generator matrix

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

generates a code of length 87 over Z8 who´s minimum homogenous weight is 80.

Homogenous weight enumerator: w(x)=1x^0+81x^80+228x^81+338x^82+376x^83+377x^84+420x^85+345x^86+264x^87+281x^88+242x^89+207x^90+212x^91+200x^92+142x^93+103x^94+96x^95+70x^96+42x^97+23x^98+12x^99+11x^100+14x^101+8x^102+3x^104

The gray image is a code over GF(2) with n=348, k=12 and d=160.
This code was found by Heurico 1.16 in 1.04 seconds.