The generator matrix

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

generates a code of length 66 over Z8 who´s minimum homogenous weight is 58.

Homogenous weight enumerator: w(x)=1x^0+42x^58+210x^59+350x^60+526x^61+601x^62+674x^63+754x^64+710x^65+750x^66+738x^67+720x^68+566x^69+411x^70+350x^71+312x^72+206x^73+93x^74+64x^75+30x^76+36x^77+20x^78+8x^79+9x^80+4x^81+3x^82+4x^83

The gray image is a code over GF(2) with n=264, k=13 and d=116.
This code was found by Heurico 1.16 in 2.33 seconds.