The generator matrix

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

generates a code of length 28 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 47.

Homogenous weight enumerator: w(x)=1x^0+492x^47+1016x^48+3810x^49+8220x^50+10638x^51+24870x^52+34854x^53+47286x^54+77058x^55+88332x^56+77984x^57+78558x^58+47040x^59+19142x^60+9006x^61+2748x^62+146x^63+108x^64+78x^65+32x^66+18x^67+4x^69

The gray image is a code over GF(3) with n=252, k=12 and d=141.
This code was found by Heurico 1.16 in 194 seconds.