The generator matrix
1 1 1 1 1 1 1 X 1 1 X 1 1 0 1 1
0 X 0 0 0 0 0 0 X 2 X 0 X 2 X X
0 0 X 0 0 0 0 X+2 X 0 X+2 X+2 2 X X+2 X
0 0 0 X 0 0 0 X X+2 X+2 2 X+2 X+2 0 X+2 0
0 0 0 0 X 0 X 2 X X+2 2 0 2 0 0 X+2
0 0 0 0 0 X X X+2 2 X 2 X+2 X+2 0 2 X
0 0 0 0 0 0 2 0 0 0 2 2 2 2 0 0
generates a code of length 16 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 9.
Homogenous weight enumerator: w(x)=1x^0+54x^9+191x^10+234x^11+445x^12+770x^13+1579x^14+3034x^15+3718x^16+3038x^17+1665x^18+782x^19+423x^20+230x^21+145x^22+46x^23+21x^24+4x^25+4x^26
The gray image is a code over GF(2) with n=64, k=14 and d=18.
This code was found by Heurico 1.16 in 1.34 seconds.