The generator matrix

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

generates a code of length 25 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 20.

Homogenous weight enumerator: w(x)=1x^0+138x^20+40x^21+204x^22+288x^23+189x^24+368x^25+174x^26+288x^27+179x^28+40x^29+96x^30+34x^32+6x^34+3x^36

The gray image is a code over GF(2) with n=100, k=11 and d=40.
This code was found by Heurico 1.16 in 0.12 seconds.