The generator matrix

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

generates a code of length 14 over Z9[X]/(X^2+3,3X) 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 0.0262 seconds.