The generator matrix

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

generates a code of length 86 over Z8 who´s minimum homogenous weight is 81.

Homogenous weight enumerator: w(x)=1x^0+156x^81+229x^82+338x^83+218x^84+208x^85+146x^86+154x^87+119x^88+98x^89+85x^90+74x^91+31x^92+56x^93+34x^94+22x^95+9x^96+18x^97+16x^98+18x^99+5x^100+8x^101+2x^102+1x^104+2x^107

The gray image is a code over GF(2) with n=344, k=11 and d=162.
This code was found by Heurico 1.16 in 0.594 seconds.