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

generates a code of length 66 over Z8 who´s minimum homogenous weight is 53.

Homogenous weight enumerator: w(x)=1x^0+54x^53+125x^54+250x^55+360x^56+404x^57+560x^58+590x^59+705x^60+888x^61+1380x^62+1816x^63+2971x^64+4188x^65+4121x^66+4226x^67+3079x^68+1804x^69+1349x^70+894x^71+757x^72+582x^73+513x^74+386x^75+284x^76+182x^77+133x^78+88x^79+35x^80+26x^81+10x^82+6x^83+1x^118

The gray image is a code over GF(2) with n=264, k=15 and d=106.
This code was found by Heurico 1.16 in 62.2 seconds.