The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+292x^81+53x^82+400x^83+51x^84+404x^85+74x^86+196x^87+24x^88+196x^89+26x^90+128x^91+12x^92+72x^93+4x^94+52x^95+5x^96+16x^97+1x^98+24x^99+1x^100+12x^101+2x^102+2x^104

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 58.6 seconds.