The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  0  1  2  2  1  4  1  1  1  2  1  2  1  0  1  2  4  1  0  1  1  4  4  0  1
 0  2  0  2  0  0  2  6  0  4  2  6  0  6  4  6  2  0  4  2  4  6  0  6  0  4  4  2  2  0  2  2  0  4  2  6  0  4  0  0  6  2  6  6  4  2  2  6  4  6  0  4  0  6  0  4  6  2  2  0  0  2  2  2  2  0
 0  0  2  2  0  6  2  0  4  2  2  0  4  6  2  4  2  0  6  0  0  4  6  2  0  0  2  2  4  6  6  4  0  2  2  0  0  6  6  4  4  4  6  0  2  2  2  0  2  2  6  0  6  6  2  0  4  0  4  2  4  6  2  0  0  4
 0  0  0  4  0  0  0  4  4  4  0  0  4  4  0  0  0  4  4  4  4  0  0  0  4  4  0  0  0  0  0  0  0  0  4  4  4  4  4  0  0  0  4  0  4  4  4  0  4  0  0  0  4  4  4  0  4  4  0  0  0  0  4  4  0  0
 0  0  0  0  4  0  0  0  0  0  4  0  4  4  4  4  0  4  4  4  0  4  4  4  4  0  0  4  0  4  0  4  0  0  4  0  4  0  0  4  0  4  0  4  0  4  0  0  4  4  0  0  0  0  0  4  4  4  4  4  4  0  4  0  4  0
 0  0  0  0  0  4  0  0  0  4  4  4  4  0  0  0  4  0  4  0  4  4  4  0  0  0  4  0  0  4  0  0  0  0  4  4  4  0  4  4  0  4  4  0  4  0  0  4  0  4  4  4  0  4  4  0  4  4  4  0  4  4  4  4  4  0
 0  0  0  0  0  0  4  4  4  4  4  0  4  0  0  0  4  4  4  4  4  0  0  4  0  0  4  0  4  4  0  4  4  4  4  4  0  0  0  4  4  0  0  0  4  4  0  4  4  0  0  0  0  4  4  4  0  4  4  4  0  4  0  0  4  4

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

Homogenous weight enumerator: w(x)=1x^0+22x^58+70x^59+89x^60+108x^61+134x^62+164x^63+179x^64+196x^65+213x^66+180x^67+169x^68+148x^69+111x^70+72x^71+54x^72+44x^73+15x^74+22x^75+18x^76+16x^77+15x^78+4x^79+1x^80+2x^82+1x^104

The gray image is a code over GF(2) with n=264, k=11 and d=116.
This code was found by Heurico 1.16 in 0.373 seconds.