The generator matrix

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

generates a code of length 85 over Z8 who´s minimum homogenous weight is 75.

Homogenous weight enumerator: w(x)=1x^0+140x^75+570x^76+768x^77+1148x^78+1564x^79+1776x^80+1994x^81+2167x^82+2450x^83+2653x^84+2694x^85+2623x^86+2488x^87+2135x^88+1938x^89+1556x^90+1362x^91+1003x^92+620x^93+509x^94+268x^95+168x^96+74x^97+60x^98+14x^99+12x^100+6x^101+2x^105+1x^106+2x^107+2x^108

The gray image is a code over GF(2) with n=340, k=15 and d=150.
This code was found by Heurico 1.11 in 20 seconds.