The generator matrix

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

generates a code of length 71 over Z8 who´s minimum homogenous weight is 62.

Homogenous weight enumerator: w(x)=1x^0+340x^62+640x^63+1063x^64+1354x^65+1810x^66+2030x^67+2416x^68+2412x^69+2754x^70+2996x^71+2915x^72+2650x^73+2639x^74+1916x^75+1572x^76+1174x^77+970x^78+496x^79+261x^80+150x^81+121x^82+30x^83+26x^84+18x^85+6x^86+4x^87+2x^88+2x^89

The gray image is a code over GF(2) with n=284, k=15 and d=124.
This code was found by Heurico 1.11 in 16.5 seconds.