The generator matrix

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

generates a code of length 72 over Z8 who´s minimum homogenous weight is 66.

Homogenous weight enumerator: w(x)=1x^0+201x^66+292x^67+384x^68+388x^69+507x^70+364x^71+364x^72+252x^73+307x^74+164x^75+256x^76+168x^77+139x^78+84x^79+79x^80+44x^81+40x^82+24x^83+20x^84+12x^85+6x^86

The gray image is a code over GF(2) with n=288, k=12 and d=132.
This code was found by Heurico 1.16 in 0.677 seconds.