The generator matrix

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

generates a code of length 41 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 34.

Homogenous weight enumerator: w(x)=1x^0+93x^34+16x^35+273x^36+96x^37+483x^38+240x^39+693x^40+320x^41+705x^42+240x^43+488x^44+96x^45+232x^46+16x^47+69x^48+17x^50+7x^52+5x^54+5x^56+1x^58

The gray image is a code over GF(2) with n=164, k=12 and d=68.
This code was found by Heurico 1.16 in 17.5 seconds.