The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+212x^58+404x^59+864x^60+884x^61+1220x^62+1204x^63+1482x^64+1464x^65+1414x^66+1308x^67+1390x^68+1160x^69+986x^70+764x^71+705x^72+376x^73+296x^74+96x^75+93x^76+20x^77+30x^78+4x^80+2x^82+5x^84

The gray image is a code over GF(2) with n=264, k=14 and d=116.
This code was found by Heurico 1.11 in 4.2 seconds.