The generator matrix

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

generates a code of length 48 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 45.

Homogenous weight enumerator: w(x)=1x^0+240x^45+144x^46+288x^47+25x^48+48x^49+48x^50+48x^51+96x^53+32x^54+48x^55+6x^56

The gray image is a code over GF(2) with n=192, k=10 and d=90.
This code was found by Heurico 1.16 in 11.4 seconds.