The generator matrix

 1  0  1  1  1 X+2  1  1  0  1  1 X+2  1  1  0  1  1 X+2  1  1  0  1  1 X+2  1  1  2  1  1  X  1  1  2  1  1  X  1  X  1  X  1  1  1  2  X  1  1  1  0  2  X X+2  X  X  1  1  1  1  0  X  0  1  1
 0  1 X+1 X+2  1  1 X+1  0  1 X+2  3  1  0 X+1  1 X+2  3  1  0 X+1  1 X+2  1  1  2 X+3  1  X  1  1  2 X+3  1  X  3  1  2  0 X+2  0 X+2  2 X+3  1 X+2 X+3  3  3  X  1  1  1  0  2  X  X X+1 X+3  X X+2  0  3  1
 0  0  2  0  0  0  0  2  2  2  2  2  0  0  0  0  0  0  2  2  2  2  2  2  2  2  2  2  2  2  0  0  0  0  0  0  2  0  0  2  2  0  2  2  0  0  0  2  0  0  2  0  0  2  2  2  2  0  2  2  0  2  0
 0  0  0  2  0  2  2  2  2  0  2  0  2  0  2  0  2  0  0  2  0  2  0  2  0  0  0  2  2  2  2  2  2  0  0  0  2  0  2  2  0  0  2  2  2  2  0  0  0  0  0  2  2  0  2  0  2  0  0  0  0  2  0
 0  0  0  0  2  0  2  2  2  2  0  2  0  2  0  0  2  0  2  0  2  2  0  2  2  0  2  2  0  2  0  2  0  0  2  0  2  2  2  0  0  0  0  2  2  0  0  0  2  2  2  2  2  0  0  2  2  2  0  0  2  2  2

generates a code of length 63 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 60.

Homogenous weight enumerator: w(x)=1x^0+144x^60+136x^62+109x^64+80x^66+30x^68+8x^70+2x^72+1x^76+1x^108

The gray image is a code over GF(2) with n=252, k=9 and d=120.
This code was found by Heurico 1.16 in 0.151 seconds.