The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  X  X  1  1  X  X  X  3  3  1
 0  3  6  0  3  6  0  3  6  0  3  6  0  3  6  3  6  0  3  3  6  0  3  6  0

generates a code of length 25 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 49.

Homogenous weight enumerator: w(x)=1x^0+36x^49+20x^51+18x^52+4x^54+2x^57

The gray image is a code over GF(3) with n=225, k=4 and d=147.
This code was found by Heurico 1.16 in 0.00277 seconds.