The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+116x^67+128x^68+190x^69+98x^70+164x^71+59x^72+72x^73+56x^74+28x^75+12x^76+30x^77+16x^78+12x^79+6x^80+12x^81+5x^82+16x^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 1.16 in 0.17 seconds.