The generator matrix

 1  0  0  0  1  1  1  X  1 a^2*X  1  1  1  1  1 a^2*X  1  1  1  X  1 a^2*X  1  1  1
 0  1  0  0  X  1 X+1  1 a*X  1 a^2*X+a X+a^2 a^2 a*X+1 a*X+a  1  0 X+1 a*X+1  1  X  1 a^2*X+a^2 a*X+1 a*X
 0  0  1  0 a^2*X+1  1 a^2*X a^2*X+1 X+1 a^2*X+a a^2*X+a^2  X a^2*X+a^2 X+a a*X X+a a^2*X+a  a X+1 a*X+1 a*X+a^2 a^2*X+1 a*X+1 a^2*X+1 a^2*X+a
 0  0  0  1 a^2  X a*X+a^2 a*X+a^2  a a^2*X X+a a^2*X+a^2 a^2*X+1 a*X+1  1  a a*X a^2*X a^2 a^2*X+1 a*X+a a*X a^2*X+1 a^2*X+a  X

generates a code of length 25 over F4[X]/(X^2) who´s minimum homogenous weight is 63.

Homogenous weight enumerator: w(x)=1x^0+468x^63+438x^64+324x^65+732x^66+2556x^67+1815x^68+924x^69+1728x^70+5844x^71+4365x^72+2148x^73+3528x^74+9732x^75+6852x^76+3156x^77+3648x^78+8808x^79+4080x^80+1128x^81+1116x^82+1776x^83+351x^84+9x^88+6x^92+3x^96

The gray image is a linear code over GF(4) with n=100, k=8 and d=63.
This code was found by Heurico 1.16 in 5.25 seconds.