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

generates a code of length 46 over Z4[X]/(X^2+2) who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+42x^42+84x^44+64x^45+648x^46+64x^47+76x^48+38x^50+6x^52+1x^88

The gray image is a code over GF(2) with n=368, k=10 and d=168.
This code was found by Heurico 1.16 in 0.062 seconds.