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

generates a code of length 75 over Z8 who´s minimum homogenous weight is 72.

Homogenous weight enumerator: w(x)=1x^0+44x^72+104x^73+112x^74+88x^75+48x^76+36x^77+26x^78+16x^79+11x^80+12x^81+6x^82+5x^84+2x^88+1x^100

The gray image is a code over GF(2) with n=300, k=9 and d=144.
This code was found by Heurico 1.11 in 0.135 seconds.