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

generates a code of length 42 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 38.

Homogenous weight enumerator: w(x)=1x^0+44x^38+83x^40+64x^41+140x^42+64x^43+70x^44+32x^46+13x^48+1x^80

The gray image is a code over GF(2) with n=168, k=9 and d=76.
This code was found by Heurico 1.16 in 0.034 seconds.