The generator matrix

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

generates a code of length 68 over Z8 who´s minimum homogenous weight is 60.

Homogenous weight enumerator: w(x)=1x^0+231x^60+100x^61+458x^62+200x^63+913x^64+348x^65+986x^66+360x^67+1174x^68+388x^69+900x^70+376x^71+797x^72+180x^73+386x^74+88x^75+154x^76+8x^77+56x^78+46x^80+28x^82+8x^84+2x^86+3x^88+1x^92

The gray image is a code over GF(2) with n=272, k=13 and d=120.
This code was found by Heurico 1.16 in 3.71 seconds.