The generator matrix

 1  0  1  1  1  6  1  1  4  2  1  1  1  1  4  0  1  1  1  1  6  1  2  1  0  1  1  1  1  1  0  2  1  1  4  1  1  6  1  2  1  1  1  1  1  4  4  1  0  0  1  1  2  1  1  1  0  6  2  6  1  2  1
 0  1  1  0  3  1  2  3  1  1  6  5  3  6  1  1  0  1  0  5  1  7  1  2  1  4  1  2  1  1  1  1  6  6  1  3  2  1  6  1  1  7  6  6  4  1  1  5  2  0  5  6  1  1  1  6  1  1  1  1  1  4  4
 0  0  2  0  6  0  0  0  4  4  0  4  2  6  2  2  2  0  2  2  6  0  2  2  6  4  6  4  4  6  4  4  4  4  4  2  4  6  2  4  4  4  2  6  2  2  6  6  2  2  0  0  6  4  4  2  0  4  6  2  6  6  0
 0  0  0  2  0  0  2  4  6  2  0  0  2  6  4  2  6  6  0  6  2  2  4  4  6  4  4  6  2  2  2  2  4  2  0  6  2  4  4  4  0  4  4  2  6  0  6  0  4  0  6  0  0  0  4  4  4  4  4  2  4  4  2
 0  0  0  0  4  0  0  0  0  0  0  0  0  0  0  0  0  0  0  0  4  4  4  0  4  0  4  0  4  4  0  4  4  4  4  4  4  0  4  0  4  4  4  4  0  4  0  0  0  4  4  0  4  0  4  0  4  0  4  4  4  0  4
 0  0  0  0  0  4  0  4  4  4  4  0  4  4  4  4  0  0  4  0  4  4  4  0  0  4  0  4  4  0  0  4  0  4  0  0  0  0  0  4  4  0  0  0  4  4  0  4  0  4  0  0  0  0  0  4  4  0  0  0  4  0  4
 0  0  0  0  0  0  4  0  0  4  4  4  0  4  4  0  4  0  4  0  4  4  4  0  0  0  4  0  0  0  4  4  0  4  0  4  4  0  0  4  0  4  4  4  0  0  4  0  4  4  0  4  0  0  0  0  0  4  4  4  4  0  0

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

Homogenous weight enumerator: w(x)=1x^0+32x^54+104x^55+247x^56+268x^57+508x^58+404x^59+799x^60+488x^61+1011x^62+584x^63+1026x^64+540x^65+769x^66+340x^67+434x^68+200x^69+142x^70+78x^71+101x^72+32x^73+26x^74+22x^75+15x^76+8x^77+7x^78+2x^79+1x^80+1x^82+2x^83

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 2.84 seconds.