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

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

Homogenous weight enumerator: w(x)=1x^0+228x^80+136x^81+438x^82+128x^83+435x^84+160x^85+548x^86+176x^87+473x^88+168x^89+366x^90+128x^91+303x^92+112x^93+146x^94+16x^95+63x^96+26x^98+14x^100+8x^102+10x^104+2x^106+7x^108+2x^110+1x^116+1x^120

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 1.48 seconds.