The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+412x^64+276x^65+1116x^66+552x^67+1682x^68+572x^69+2060x^70+720x^71+2062x^72+616x^73+1980x^74+600x^75+1394x^76+444x^77+952x^78+212x^79+415x^80+76x^81+148x^82+24x^83+44x^84+12x^86+4x^87+6x^88+4x^90

The gray image is a code over GF(2) with n=288, k=14 and d=128.
This code was found by Heurico 1.11 in 618 seconds.