The generator matrix

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

generates a code of length 41 over Z4[X]/(X^2+2) who´s minimum homogenous weight is 36.

Homogenous weight enumerator: w(x)=1x^0+50x^36+124x^37+402x^38+410x^39+852x^40+522x^41+834x^42+356x^43+334x^44+84x^45+69x^46+34x^47+11x^48+2x^49+1x^50+4x^53+5x^54+1x^58

The gray image is a code over GF(2) with n=328, k=12 and d=144.
This code was found by Heurico 1.16 in 0.171 seconds.