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

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

Homogenous weight enumerator: w(x)=1x^0+60x^54+68x^55+167x^56+158x^57+252x^58+128x^59+424x^60+144x^61+657x^62+120x^63+605x^64+96x^65+451x^66+110x^67+273x^68+76x^69+83x^70+58x^71+52x^72+34x^73+28x^74+26x^75+11x^76+4x^77+4x^78+2x^79+3x^80+1x^90

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 1.02 seconds.