The generator matrix

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

generates a code of length 75 over Z8 who´s minimum homogenous weight is 69.

Homogenous weight enumerator: w(x)=1x^0+94x^69+153x^70+208x^71+218x^72+178x^73+196x^74+152x^75+114x^76+144x^77+174x^78+116x^79+108x^80+80x^81+46x^82+28x^83+2x^84+12x^85+5x^86+6x^87+4x^88+2x^89+2x^90+2x^93+2x^95+1x^112

The gray image is a code over GF(2) with n=300, k=11 and d=138.
This code was found by Heurico 1.16 in 0.378 seconds.