The generator matrix

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

generates a code of length 82 over Z8 who´s minimum homogenous weight is 81.

Homogenous weight enumerator: w(x)=1x^0+44x^81+33x^82+28x^83+10x^84+2x^85+2x^86+2x^87+1x^88+2x^89+2x^91+1x^98

The gray image is a code over GF(2) with n=328, k=7 and d=162.
This code was found by Heurico 1.16 in 0.22 seconds.