The generator matrix

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

generates a code of length 82 over Z8 who´s minimum homogenous weight is 76.

Homogenous weight enumerator: w(x)=1x^0+312x^76+104x^77+656x^78+88x^79+852x^80+104x^81+496x^82+72x^83+448x^84+56x^85+304x^86+24x^87+204x^88+40x^89+160x^90+8x^91+88x^92+16x^93+48x^94+15x^96

The gray image is a code over GF(2) with n=328, k=12 and d=152.
This code was found by Heurico 1.11 in 0.607 seconds.