The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  X  X
 0  X 2X  0 X+6 2X X+6  0 X+6  3 X+3  3 X+6 X+6
 0  0  3  0  3  0  6  3  3  6  3  0  6  0
 0  0  0  3  6  3  3  6  0  6  3  6  0  0

generates a code of length 14 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 24.

Homogenous weight enumerator: w(x)=1x^0+216x^24+452x^27+972x^28+468x^30+72x^33+6x^36

The gray image is a code over GF(3) with n=126, k=7 and d=72.
This code was found by Heurico 1.16 in 0.026 seconds.