The generator matrix
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 X X X 2 1 1 1 1 1 X 1
0 2X 0 0 0 0 0 0 0 0 2X 2X 0 0 0 2X 2X 2X 2X 2X 0 0 0 0 0 2X 2X
0 0 2X 0 0 0 0 0 0 2X 2X 2X 0 2X 2X 0 2X 2X 0 0 0 0 0 0 2X 2X 0
0 0 0 2X 0 0 0 0 0 2X 0 2X 2X 2X 0 2X 0 2X 2X 0 0 0 0 2X 2X 0 0
0 0 0 0 2X 0 0 0 2X 0 0 2X 2X 0 2X 2X 0 0 2X 2X 0 0 2X 2X 2X 2X 2X
0 0 0 0 0 2X 0 0 2X 0 2X 0 0 2X 2X 2X 0 2X 2X 0 2X 2X 2X 2X 2X 2X 2X
0 0 0 0 0 0 2X 0 2X 2X 2X 0 0 0 2X 2X 2X 0 0 2X 2X 2X 0 2X 0 2X 2X
0 0 0 0 0 0 0 2X 2X 2X 0 0 2X 2X 2X 0 2X 0 2X 0 0 2X 2X 0 2X 2X 0
generates a code of length 27 over Z4[X]/(X^2+2) who´s minimum homogenous weight is 20.
Homogenous weight enumerator: w(x)=1x^0+29x^20+36x^22+95x^24+362x^26+1024x^27+338x^28+98x^30+39x^32+14x^34+7x^36+2x^38+1x^40+2x^44
The gray image is a code over GF(2) with n=216, k=11 and d=80.
This code was found by Heurico 1.16 in 0.047 seconds.