The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  0  2  0  2  0  2  0  2  2  2  2  2  2  2  2  2  2  4  4  4  4  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  4  1  1  4  4  4  4  4  4  2  1  1
 0  2  0  6  0  6  0  2  4  6  4  2  4  6  4  2  0  6  0  6  0  6  0  6  4  2  4  2  4  2  4  2  6  2  6  2  6  2  6  2  0  4  0  4  0  4  2  2  2  2  2  2  2  2  0  0  0  0  4  4  4  4  6  2  6  2  6  2  6  2  0  0  6  0  4  0  4  4  4  0  6  6
 0  0  4  0  0  4  4  4  4  0  4  0  0  4  0  4  0  0  0  0  4  4  4  4  4  4  4  4  0  0  0  0  0  0  4  4  0  0  4  4  0  0  4  4  4  4  4  4  0  0  4  4  0  0  0  0  4  4  4  4  0  0  0  0  0  0  4  4  4  4  0  0  0  4  4  4  4  0  0  0  0  4
 0  0  0  4  4  4  4  0  0  0  4  4  4  0  0  4  0  0  4  4  4  4  0  0  0  0  4  4  4  4  0  0  0  4  4  0  4  0  0  4  4  4  4  4  0  0  0  4  4  0  0  4  4  0  0  4  4  0  0  4  4  0  0  0  4  4  4  4  0  0  4  0  0  4  0  0  4  4  0  0  4  4

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

Homogenous weight enumerator: w(x)=1x^0+66x^81+20x^82+14x^83+6x^84+6x^85+4x^86+2x^87+8x^89+1x^104

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 0.38 seconds.