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

generates a code of length 63 over Z8 who´s minimum homogenous weight is 52.

Homogenous weight enumerator: w(x)=1x^0+154x^52+454x^54+24x^55+840x^56+124x^57+1082x^58+424x^59+1611x^60+892x^61+2024x^62+1176x^63+2063x^64+884x^65+1648x^66+408x^67+1082x^68+148x^69+636x^70+16x^71+392x^72+212x^74+56x^76+22x^78+8x^80+2x^82+1x^92

The gray image is a code over GF(2) with n=252, k=14 and d=104.
This code was found by Heurico 1.16 in 15.9 seconds.