The generator matrix

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

generates a code of length 67 over Z8 who´s minimum homogenous weight is 60.

Homogenous weight enumerator: w(x)=1x^0+182x^60+320x^61+700x^62+600x^63+775x^64+708x^65+785x^66+536x^67+732x^68+580x^69+607x^70+424x^71+434x^72+268x^73+227x^74+104x^75+106x^76+44x^77+45x^78+10x^80+4x^82

The gray image is a code over GF(2) with n=268, k=13 and d=120.
This code was found by Heurico 1.16 in 2.15 seconds.