The generator matrix

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

generates a code of length 72 over Z8 who´s minimum homogenous weight is 63.

Homogenous weight enumerator: w(x)=1x^0+306x^63+638x^64+1048x^65+1457x^66+1812x^67+2171x^68+2308x^69+2522x^70+2768x^71+2867x^72+2712x^73+2648x^74+2504x^75+2141x^76+1584x^77+1162x^78+872x^79+542x^80+332x^81+201x^82+112x^83+16x^84+14x^85+8x^86+10x^87+8x^88+2x^90+2x^93

The gray image is a code over GF(2) with n=288, k=15 and d=126.
This code was found by Heurico 1.11 in 16.6 seconds.