The generator matrix

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

generates a code of length 71 over Z8 who´s minimum homogenous weight is 67.

Homogenous weight enumerator: w(x)=1x^0+104x^67+160x^68+206x^69+94x^70+144x^71+33x^72+60x^73+16x^74+52x^75+20x^76+54x^77+48x^78+16x^79+8x^80+1x^82+4x^83+2x^84+1x^90

The gray image is a code over GF(2) with n=284, k=10 and d=134.
This code was found by Heurico 1.11 in 0.191 seconds.