The generator matrix

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

generates a code of length 24 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 47.

Homogenous weight enumerator: w(x)=1x^0+432x^47+72x^48+216x^50+8x^54

The gray image is a code over GF(3) with n=216, k=6 and d=141.
This code was found by Heurico 1.16 in 0.00215 seconds.