The generator matrix

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

generates a code of length 13 over Z4[X]/(X^3+2,2X) who´s minimum homogenous weight is 10.

Homogenous weight enumerator: w(x)=1x^0+62x^10+24x^11+273x^12+336x^13+236x^14+24x^15+53x^16+14x^18+1x^20

The gray image is a code over GF(2) with n=104, k=10 and d=40.
This code was found by Heurico 1.16 in 0.109 seconds.