The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+228x^64+120x^65+470x^66+304x^67+670x^68+512x^69+908x^70+620x^71+822x^72+596x^73+771x^74+456x^75+599x^76+360x^77+321x^78+92x^79+147x^80+12x^81+91x^82+46x^84+27x^86+12x^88+4x^90+1x^92+2x^96

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 54.4 seconds.