The generator matrix

 1  0  0  1  1  1  6  1  6  1  1  2  1  2  1  2  4  1  1  1  6  0  1  6  1  6  1  2  1  6  1  4  0  0  6  4  1  1  1  1  1  6  1  1  1  1  2  1  4  4  1  1  1  1  1  4  1  1  0  4  1  1  1  1  1  1  0  1  4  0  1  1
 0  1  0  0  1  3  1  4  0  4  7  1  3  1  5  2  1  2  2  5  1  0  0  1  3  1  6  1  5  1  3  1  0  1  2  1  7  5  1  0  4  6  2  3  7  0  1  1  0  1  2  1  4  7  6  1  1  2  1  1  6  7  1  1  1  7  1  6  2  2  7  0
 0  0  1  1  3  0  3  3  1  2  3  2  2  1  1  1  2  6  3  6  6  1  6  1  0  7  5  2  5  0  3  1  1  3  1  2  6  5  4  7  4  1  4  4  0  3  4  1  1  4  0  0  0  3  2  4  2  1  7  3  7  2  5  3  7  5  7  2  1  1  7  0
 0  0  0  2  2  6  4  6  0  0  2  4  2  0  6  0  0  4  6  2  4  0  2  6  4  6  4  2  4  2  0  0  6  6  6  2  4  2  6  6  6  6  2  4  6  4  4  2  2  6  0  6  4  0  2  2  0  4  4  6  0  4  0  0  4  4  0  6  2  2  6  0
 0  0  0  0  4  0  0  4  4  4  0  4  4  0  0  4  0  0  0  0  4  0  4  4  4  0  0  0  4  4  0  4  0  0  0  4  4  4  4  4  0  4  4  4  4  0  0  0  0  0  0  0  0  0  4  4  0  4  0  4  0  0  4  4  4  4  0  4  0  4  4  0
 0  0  0  0  0  4  4  0  0  0  0  0  0  0  4  4  4  4  4  0  4  4  4  4  4  0  0  4  0  4  4  0  4  4  0  0  4  4  4  4  0  0  0  0  0  0  0  4  4  0  4  4  0  0  4  0  4  0  0  4  0  4  4  4  0  0  0  0  4  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+78x^64+198x^65+398x^66+492x^67+690x^68+778x^69+656x^70+692x^71+646x^72+660x^73+591x^74+560x^75+535x^76+398x^77+251x^78+216x^79+137x^80+74x^81+79x^82+14x^83+22x^84+4x^85+9x^86+8x^87+2x^88+2x^91+1x^92

The gray image is a code over GF(2) with n=288, k=13 and d=128.
This code was found by Heurico 1.16 in 2.7 seconds.