The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+312x^58+208x^59+1198x^60+456x^61+1594x^62+656x^63+2151x^64+784x^65+2014x^66+724x^67+2037x^68+612x^69+1527x^70+408x^71+953x^72+184x^73+335x^74+52x^75+105x^76+12x^77+35x^78+19x^80+7x^82

The gray image is a code over GF(2) with n=264, k=14 and d=116.
This code was found by Heurico 1.16 in 9.22 seconds.