The generator matrix

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

generates a code of length 86 over Z8 who´s minimum homogenous weight is 79.

Homogenous weight enumerator: w(x)=1x^0+110x^79+157x^80+346x^81+304x^82+538x^83+259x^84+482x^85+230x^86+356x^87+218x^88+258x^89+162x^90+170x^91+88x^92+146x^93+58x^94+84x^95+32x^96+44x^97+14x^98+20x^99+11x^100+4x^101+2x^103+2x^108

The gray image is a code over GF(2) with n=344, k=12 and d=158.
This code was found by Heurico 1.16 in 1.02 seconds.