The generator matrix

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

generates a code of length 80 over Z8 who´s minimum homogenous weight is 75.

Homogenous weight enumerator: w(x)=1x^0+162x^75+214x^76+328x^77+160x^78+304x^79+146x^80+168x^81+94x^82+92x^83+52x^84+92x^85+28x^86+64x^87+39x^88+32x^89+20x^90+18x^91+12x^92+20x^93+1x^94+1x^102

The gray image is a code over GF(2) with n=320, k=11 and d=150.
This code was found by Heurico 1.11 in 0.706 seconds.