The generator matrix

 1  0  1  1  1  1  1 X+6  1  1  1 2X  1  1  1  0  1 X+6  1  1  1  3 X+3  1  1  1 2X+3  1  1  6 X+3  1  1  1  1 2X+6  X  1  1  3  1  1  1  1  1 2X 2X+3
 0  1 2X+7  8 X+6 X+1 X+5  1 2X  7 2X+8  1  3 2X+4  2  1 X+6  1 X+4 X+2 X+3  1  1  4 2X+2 2X+3  1  6 2X+6  1  1 2X+1 X+7  X  1  1  1  0  5  1  3 X+3 2X 2X+3 X+8  1  1

generates a code of length 47 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 93.

Homogenous weight enumerator: w(x)=1x^0+264x^93+324x^94+136x^96+2x^114+2x^117

The gray image is a code over GF(3) with n=423, k=6 and d=279.
This code was found by Heurico 1.16 in 8.67 seconds.