The generator matrix

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

generates a code of length 71 over Z8 who´s minimum homogenous weight is 60.

Homogenous weight enumerator: w(x)=1x^0+61x^60+108x^61+403x^62+670x^63+881x^64+1184x^65+1589x^66+2040x^67+2481x^68+2682x^69+2921x^70+3084x^71+2784x^72+2604x^73+2315x^74+2134x^75+1574x^76+1194x^77+855x^78+452x^79+339x^80+154x^81+115x^82+58x^83+28x^84+8x^85+25x^86+10x^87+11x^88+2x^89+1x^90

The gray image is a code over GF(2) with n=284, k=15 and d=120.
This code was found by Heurico 1.16 in 41.4 seconds.