The generator matrix

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

generates a code of length 43 over Z4[X]/(X^2+2) who´s minimum homogenous weight is 41.

Homogenous weight enumerator: w(x)=1x^0+10x^41+18x^42+206x^43+6x^44+6x^45+4x^46+2x^47+1x^56+2x^58

The gray image is a code over GF(2) with n=344, k=8 and d=164.
This code was found by Heurico 1.16 in 0.031 seconds.