The generator matrix

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

generates a code of length 89 over Z8 who´s minimum homogenous weight is 82.

Homogenous weight enumerator: w(x)=1x^0+248x^82+96x^83+466x^84+164x^85+448x^86+168x^87+477x^88+172x^89+436x^90+176x^91+387x^92+156x^93+300x^94+72x^95+159x^96+20x^97+68x^98+25x^100+28x^102+12x^104+8x^106+6x^108+1x^112+2x^120

The gray image is a code over GF(2) with n=356, k=12 and d=164.
This code was found by Heurico 1.16 in 12.7 seconds.