The generator matrix

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

generates a code of length 75 over Z8 who´s minimum homogenous weight is 70.

Homogenous weight enumerator: w(x)=1x^0+170x^70+228x^71+281x^72+208x^73+220x^74+144x^75+184x^76+152x^77+92x^78+68x^79+74x^80+48x^81+50x^82+20x^83+54x^84+20x^85+14x^86+4x^87+6x^88+4x^89+6x^90

The gray image is a code over GF(2) with n=300, k=11 and d=140.
This code was found by Heurico 1.11 in 0.283 seconds.