The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+80x^64+276x^65+372x^66+520x^67+611x^68+658x^69+642x^70+674x^71+800x^72+646x^73+632x^74+568x^75+497x^76+426x^77+282x^78+202x^79+91x^80+86x^81+48x^82+24x^83+30x^84+4x^85+5x^86+8x^87+2x^88+2x^90+4x^91+1x^94

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 2.64 seconds.