The generator matrix

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

generates a code of length 72 over Z8 who´s minimum homogenous weight is 69.

Homogenous weight enumerator: w(x)=1x^0+54x^69+108x^70+84x^71+94x^72+46x^73+62x^74+16x^75+6x^76+12x^77+12x^78+8x^79+1x^80+4x^81+1x^82+1x^84+1x^88+1x^94

The gray image is a code over GF(2) with n=288, k=9 and d=138.
This code was found by Heurico 1.11 in 0.116 seconds.