The generator matrix
1 1 1 1 1 1 1 1 1 1 1 1 1 1 X 1 1 2 1 1
0 2X+2 0 2X+2 0 2X+2 2X 2 0 2X+2 0 2X+2 0 2X 2X 2 2 2X 0 0
0 0 2X 0 0 0 2X 0 0 2X 2X 2X 0 2X 0 2X 2X 0 0 0
0 0 0 2X 0 0 0 2X 2X 2X 2X 2X 2X 2X 2X 2X 0 0 0 0
0 0 0 0 2X 2X 2X 2X 2X 0 0 2X 0 2X 0 2X 0 0 0 0
generates a code of length 20 over Z4[X]/(X^2+2) who´s minimum homogenous weight is 16.
Homogenous weight enumerator: w(x)=1x^0+17x^16+36x^18+64x^19+289x^20+64x^21+24x^22+6x^24+4x^26+6x^28+1x^36
The gray image is a code over GF(2) with n=160, k=9 and d=64.
This code was found by Heurico 1.16 in 3.81e-009 seconds.