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

generates a code of length 66 over Z8 who´s minimum homogenous weight is 54.

Homogenous weight enumerator: w(x)=1x^0+70x^54+76x^55+183x^56+264x^57+348x^58+388x^59+513x^60+690x^61+872x^62+1102x^63+1371x^64+1578x^65+1556x^66+1592x^67+1344x^68+1118x^69+804x^70+710x^71+551x^72+350x^73+284x^74+186x^75+165x^76+88x^77+86x^78+40x^79+30x^80+8x^81+11x^82+2x^83+2x^84+1x^98

The gray image is a code over GF(2) with n=264, k=14 and d=108.
This code was found by Heurico 1.16 in 16.6 seconds.