The generator matrix

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

generates a code of length 81 over Z8 who´s minimum homogenous weight is 78.

Homogenous weight enumerator: w(x)=1x^0+38x^78+116x^79+130x^80+72x^81+42x^82+36x^83+19x^84+24x^85+5x^86+4x^87+8x^88+10x^90+4x^91+1x^96+1x^100+1x^102

The gray image is a code over GF(2) with n=324, k=9 and d=156.
This code was found by Heurico 1.16 in 0.125 seconds.