The generator matrix

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

generates a code of length 65 over Z8 who´s minimum homogenous weight is 58.

Homogenous weight enumerator: w(x)=1x^0+177x^58+432x^59+456x^60+786x^61+631x^62+822x^63+600x^64+762x^65+563x^66+746x^67+513x^68+524x^69+357x^70+324x^71+211x^72+160x^73+62x^74+42x^75+11x^76+4x^77+2x^79+2x^81+2x^82+2x^85

The gray image is a code over GF(2) with n=260, k=13 and d=116.
This code was found by Heurico 1.11 in 1.27 seconds.