The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+274x^76+260x^77+408x^78+426x^79+450x^80+372x^81+327x^82+216x^83+250x^84+214x^85+248x^86+150x^87+175x^88+80x^89+90x^90+32x^91+38x^92+34x^93+22x^94+4x^95+4x^96+8x^98+4x^99+8x^100+1x^106

The gray image is a code over GF(2) with n=328, k=12 and d=152.
This code was found by Heurico 1.16 in 1.41 seconds.