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

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

Homogenous weight enumerator: w(x)=1x^0+222x^54+442x^56+60x^57+628x^58+256x^59+876x^60+372x^61+988x^62+648x^63+1004x^64+420x^65+778x^66+240x^67+519x^68+44x^69+314x^70+8x^71+223x^72+102x^74+37x^76+8x^78+1x^80+1x^96

The gray image is a code over GF(2) with n=252, k=13 and d=108.
This code was found by Heurico 1.16 in 36.2 seconds.