The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+40x^59+4x^60+8x^61+8x^62+3x^64

The gray image is a code over GF(2) with n=236, k=6 and d=118.
This code was found by Heurico 1.16 in 8.69 seconds.