The generator matrix

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

generates a code of length 59 over Z4[X]/(X^3+2,2X) who´s minimum homogenous weight is 56.

Homogenous weight enumerator: w(x)=1x^0+50x^56+288x^57+76x^58+192x^59+76x^60+288x^61+50x^62+1x^64+2x^86

The gray image is a code over GF(2) with n=472, k=10 and d=224.
This code was found by Heurico 1.16 in 0.125 seconds.