The generator matrix

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

generates a code of length 67 over Z8 who´s minimum homogenous weight is 58.

Homogenous weight enumerator: w(x)=1x^0+77x^58+64x^59+293x^60+204x^61+548x^62+392x^63+796x^64+568x^65+947x^66+600x^67+921x^68+592x^69+709x^70+408x^71+401x^72+168x^73+206x^74+72x^75+108x^76+4x^77+57x^78+36x^80+14x^82+2x^84+2x^86+2x^88

The gray image is a code over GF(2) with n=268, k=13 and d=116.
This code was found by Heurico 1.16 in 3.1 seconds.