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

generates a code of length 63 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 62.

Homogenous weight enumerator: w(x)=1x^0+30x^62+192x^63+31x^64+2x^94

The gray image is a code over GF(2) with n=252, k=8 and d=124.
This code was found by Heurico 1.16 in 0.104 seconds.