The generator matrix

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

generates a code of length 75 over Z8 who´s minimum homogenous weight is 71.

Homogenous weight enumerator: w(x)=1x^0+148x^71+119x^72+176x^73+112x^74+124x^75+60x^76+76x^77+32x^78+44x^79+35x^80+12x^81+16x^82+32x^83+7x^84+24x^85+4x^87+1x^88+1x^100

The gray image is a code over GF(2) with n=300, k=10 and d=142.
This code was found by Heurico 1.16 in 0.177 seconds.