The generator matrix

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

generates a code of length 81 over Z8 who´s minimum homogenous weight is 76.

Homogenous weight enumerator: w(x)=1x^0+149x^76+280x^77+222x^78+260x^79+222x^80+192x^81+172x^82+72x^83+98x^84+72x^85+62x^86+52x^87+27x^88+48x^89+32x^90+32x^91+28x^92+16x^93+8x^94+2x^96+1x^100

The gray image is a code over GF(2) with n=324, k=11 and d=152.
This code was found by Heurico 1.16 in 0.383 seconds.