The generator matrix

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

generates a code of length 71 over Z8 who´s minimum homogenous weight is 61.

Homogenous weight enumerator: w(x)=1x^0+60x^61+291x^62+680x^63+1036x^64+1398x^65+1675x^66+1916x^67+2353x^68+2656x^69+2808x^70+2958x^71+2919x^72+2776x^73+2483x^74+2026x^75+1574x^76+1098x^77+803x^78+578x^79+335x^80+192x^81+57x^82+26x^83+33x^84+10x^85+10x^86+8x^87+5x^88+2x^89+1x^90

The gray image is a code over GF(2) with n=284, k=15 and d=122.
This code was found by Heurico 1.16 in 37.9 seconds.