The generator matrix

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

generates a code of length 17 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 28.

Homogenous weight enumerator: w(x)=1x^0+210x^28+84x^29+922x^30+1134x^31+1770x^32+2970x^33+4464x^34+3366x^35+3042x^36+1410x^37+96x^38+98x^39+72x^40+30x^41+12x^42+2x^45

The gray image is a code over GF(3) with n=153, k=9 and d=84.
This code was found by Heurico 1.16 in 0.211 seconds.