The generator matrix

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

generates a code of length 84 over Z8 who´s minimum homogenous weight is 76.

Homogenous weight enumerator: w(x)=1x^0+143x^76+260x^77+467x^78+452x^79+762x^80+564x^81+708x^82+670x^83+704x^84+528x^85+644x^86+422x^87+520x^88+328x^89+347x^90+206x^91+148x^92+96x^93+114x^94+38x^95+21x^96+12x^97+17x^98+4x^99+4x^100+4x^101+3x^102+4x^106+1x^108

The gray image is a code over GF(2) with n=336, k=13 and d=152.
This code was found by Heurico 1.16 in 3.34 seconds.