The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+52x^78+104x^79+96x^80+84x^81+58x^82+32x^83+31x^84+36x^85+2x^86+4x^88+8x^90+1x^92+1x^96+2x^104

The gray image is a code over GF(2) with n=324, k=9 and d=156.
This code was found by Heurico 1.11 in 0.362 seconds.