The generator matrix

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

generates a code of length 72 over Z8 who´s minimum homogenous weight is 64.

Homogenous weight enumerator: w(x)=1x^0+370x^64+376x^65+930x^66+796x^67+1449x^68+940x^69+1714x^70+1000x^71+1546x^72+1056x^73+1686x^74+920x^75+1248x^76+576x^77+746x^78+328x^79+377x^80+120x^81+94x^82+28x^83+55x^84+4x^85+10x^86+10x^88+2x^90+2x^94

The gray image is a code over GF(2) with n=288, k=14 and d=128.
This code was found by Heurico 1.16 in 18.6 seconds.