The generator matrix

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

generates a code of length 23 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 43.

Homogenous weight enumerator: w(x)=1x^0+426x^43+276x^44+8x^45+552x^46+468x^47+12x^48+426x^49+6x^51+12x^53

The gray image is a code over GF(3) with n=207, k=7 and d=129.
This code was found by Heurico 1.16 in 36.9 seconds.