The generator matrix

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

generates a code of length 75 over Z8 who´s minimum homogenous weight is 63.

Homogenous weight enumerator: w(x)=1x^0+52x^63+429x^64+1032x^65+1661x^66+2458x^67+3588x^68+4736x^69+6210x^70+8354x^71+8559x^72+10784x^73+11006x^74+12660x^75+11126x^76+11166x^77+9570x^78+8186x^79+6018x^80+4762x^81+3443x^82+2224x^83+1258x^84+858x^85+458x^86+224x^87+121x^88+62x^89+32x^90+18x^91+4x^92+8x^93+2x^94+2x^98

The gray image is a code over GF(2) with n=300, k=17 and d=126.
This code was found by Heurico 1.11 in 258 seconds.