The generator matrix

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

generates a code of length 81 over Z8 who´s minimum homogenous weight is 77.

Homogenous weight enumerator: w(x)=1x^0+146x^77+131x^78+174x^79+86x^80+136x^81+80x^82+84x^83+40x^84+30x^85+19x^86+22x^87+9x^88+16x^89+8x^90+8x^91+7x^92+20x^93+1x^94+4x^97+1x^100+1x^102

The gray image is a code over GF(2) with n=324, k=10 and d=154.
This code was found by Heurico 1.11 in 0.289 seconds.