The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+33x^64+128x^65+133x^66+376x^67+242x^68+334x^69+267x^70+506x^71+258x^72+382x^73+254x^74+408x^75+172x^76+266x^77+93x^78+102x^79+41x^80+30x^81+13x^82+14x^83+13x^84+8x^85+4x^86+7x^88+4x^89+3x^90+2x^91+1x^92+1x^98

The gray image is a code over GF(2) with n=288, k=12 and d=128.
This code was found by Heurico 1.16 in 0.946 seconds.