The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+80x^81+100x^82+160x^83+85x^84+116x^85+49x^86+88x^87+71x^88+100x^89+47x^90+56x^91+3x^92+20x^93+21x^94+16x^95+4x^97+4x^98+1x^110+1x^114+1x^126

The gray image is a code over GF(2) with n=344, k=10 and d=162.
This code was found by Heurico 1.16 in 28.1 seconds.