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

generates a code of length 48 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+170x^42+8x^43+210x^44+80x^45+272x^46+176x^47+300x^48+160x^49+250x^50+72x^51+161x^52+16x^53+84x^54+57x^56+24x^58+4x^60+2x^64+1x^76

The gray image is a code over GF(2) with n=192, k=11 and d=84.
This code was found by Heurico 1.16 in 53.1 seconds.