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

generates a code of length 47 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 91.

Homogenous weight enumerator: w(x)=1x^0+78x^91+216x^92+8x^93+138x^94+144x^95+12x^96+30x^97+72x^98+2x^99+24x^100+4x^111

The gray image is a code over GF(3) with n=423, k=6 and d=273.
This code was found by Heurico 1.16 in 0.0363 seconds.