The generator matrix

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

generates a code of length 49 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+92x^42+308x^43+449x^44+582x^45+726x^46+744x^47+804x^48+904x^49+851x^50+758x^51+623x^52+484x^53+405x^54+206x^55+91x^56+72x^57+33x^58+30x^59+16x^60+6x^61+5x^62+2x^63

The gray image is a code over GF(2) with n=196, k=13 and d=84.
This code was found by Heurico 1.16 in 2.44 seconds.