The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  0  0  1  2  2  2  2  4  4  1  2  0  2  2  4  0  2  1  1  1  2  1  2  1
 0  2  0  0  0  0  0  0  0  0  0  6  4  4  6  6  6  6  2  6  6  6  2  4  2  6  6  6  4  2  0  2  4  0  0  2  2  0  4  6  2  0  0  6  6  4  6  4  4  0  4  0  6  2  4  2  2  0  0  2  4  2  2  2  0  6  4  6  6  2  0
 0  0  2  0  0  0  0  0  0  0  2  0  2  6  2  6  6  4  6  0  4  6  0  2  6  4  4  6  6  2  6  4  2  2  4  6  0  6  4  6  4  6  0  2  4  6  6  0  2  2  4  0  2  2  0  0  6  2  4  6  0  4  2  2  2  4  2  0  2  0  0
 0  0  0  2  0  0  0  2  6  2  2  6  2  2  6  4  2  6  0  2  0  4  0  4  4  4  2  6  4  6  4  2  6  2  2  0  6  6  2  0  4  6  4  6  4  4  2  2  4  2  6  6  0  0  2  4  6  0  4  6  0  2  6  2  4  2  6  0  4  0  6
 0  0  0  0  2  0  2  2  2  4  4  0  0  2  4  0  4  0  6  6  6  6  4  2  4  2  2  2  6  6  4  2  0  4  4  6  2  2  6  4  2  2  4  0  4  4  6  2  0  2  0  2  4  6  2  6  4  4  4  2  6  4  6  2  6  4  2  0  4  4  6
 0  0  0  0  0  2  2  4  6  2  4  4  2  6  4  4  6  2  6  2  2  4  6  2  6  0  0  2  0  0  6  0  6  4  0  2  6  4  0  0  2  6  2  4  2  4  0  6  4  2  0  2  2  6  4  2  2  6  2  4  2  6  4  0  6  4  4  4  0  2  0
 0  0  0  0  0  0  4  4  4  0  0  0  0  4  0  0  0  0  4  4  4  4  0  4  0  4  4  0  0  0  4  0  4  4  4  0  0  0  0  4  0  0  4  4  4  4  4  0  4  0  4  0  0  4  0  0  0  0  0  4  4  0  0  0  4  0  4  4  4  0  0

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

Homogenous weight enumerator: w(x)=1x^0+231x^60+516x^62+28x^63+795x^64+144x^65+1142x^66+428x^67+1524x^68+900x^69+1978x^70+1100x^71+2000x^72+876x^73+1564x^74+468x^75+1122x^76+124x^77+604x^78+24x^79+422x^80+4x^81+230x^82+104x^84+46x^86+6x^88+2x^92+1x^108

The gray image is a code over GF(2) with n=284, k=14 and d=120.
This code was found by Heurico 1.16 in 18.8 seconds.