The generator matrix

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

generates a code of length 56 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 49.

Homogenous weight enumerator: w(x)=1x^0+32x^49+78x^50+136x^51+137x^52+188x^53+215x^54+210x^55+228x^56+156x^57+169x^58+148x^59+108x^60+76x^61+34x^62+36x^63+31x^64+20x^65+12x^66+12x^67+7x^68+8x^69+2x^70+2x^71+1x^74+1x^86

The gray image is a code over GF(2) with n=224, k=11 and d=98.
This code was found by Heurico 1.16 in 0.307 seconds.