The generator matrix

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

generates a code of length 71 over Z8 who´s minimum homogenous weight is 66.

Homogenous weight enumerator: w(x)=1x^0+152x^66+204x^67+373x^68+172x^69+228x^70+132x^71+166x^72+92x^73+138x^74+80x^75+83x^76+44x^77+80x^78+28x^79+26x^80+12x^81+26x^82+4x^83+4x^84+3x^88

The gray image is a code over GF(2) with n=284, k=11 and d=132.
This code was found by Heurico 1.11 in 0.483 seconds.