The generator matrix

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

generates a code of length 85 over Z8 who´s minimum homogenous weight is 78.

Homogenous weight enumerator: w(x)=1x^0+87x^78+206x^79+333x^80+394x^81+366x^82+366x^83+362x^84+358x^85+295x^86+268x^87+217x^88+158x^89+153x^90+132x^91+104x^92+82x^93+67x^94+46x^95+36x^96+32x^97+20x^98+6x^99+2x^100+3x^102+1x^104+1x^106

The gray image is a code over GF(2) with n=340, k=12 and d=156.
This code was found by Heurico 1.16 in 1.01 seconds.