The generator matrix

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

generates a code of length 26 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 48.

Homogenous weight enumerator: w(x)=1x^0+64x^48+864x^50+96x^51+972x^53+26x^54+42x^57+108x^59+12x^60+2x^75

The gray image is a code over GF(3) with n=234, k=7 and d=144.
This code was found by Heurico 1.16 in 0.0149 seconds.