The generator matrix

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

generates a code of length 58 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 47.

Homogenous weight enumerator: w(x)=1x^0+62x^47+474x^48+976x^49+1687x^50+2740x^51+4408x^52+5582x^53+7885x^54+9496x^55+12114x^56+12826x^57+14007x^58+12760x^59+12596x^60+9934x^61+8429x^62+5622x^63+3967x^64+2406x^65+1386x^66+836x^67+440x^68+204x^69+174x^70+36x^71+16x^72+8x^73

The gray image is a code over GF(2) with n=232, k=17 and d=94.
This code was found by Heurico 1.13 in 189 seconds.