The generator matrix

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

generates a code of length 59 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 48.

Homogenous weight enumerator: w(x)=1x^0+69x^48+376x^49+950x^50+2144x^51+2639x^52+4350x^53+5757x^54+8388x^55+8866x^56+11960x^57+12369x^58+14554x^59+12278x^60+12878x^61+9504x^62+8582x^63+5514x^64+4110x^65+2474x^66+1742x^67+729x^68+420x^69+227x^70+102x^71+46x^72+18x^73+15x^74+8x^75+2x^76

The gray image is a code over GF(2) with n=236, k=17 and d=96.
This code was found by Heurico 1.13 in 193 seconds.