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

generates a code of length 63 over Z8 who´s minimum homogenous weight is 54.

Homogenous weight enumerator: w(x)=1x^0+23x^54+78x^55+116x^56+152x^57+239x^58+254x^59+288x^60+368x^61+375x^62+406x^63+424x^64+358x^65+278x^66+224x^67+129x^68+96x^69+74x^70+50x^71+47x^72+40x^73+30x^74+10x^75+19x^76+8x^77+4x^78+2x^79+2x^81+1x^98

The gray image is a code over GF(2) with n=252, k=12 and d=108.
This code was found by Heurico 1.16 in 1.01 seconds.