The generator matrix

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

generates a code of length 17 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 29.

Homogenous weight enumerator: w(x)=1x^0+144x^29+914x^30+1242x^31+1890x^32+2688x^33+4968x^34+3150x^35+3074x^36+1242x^37+306x^38+46x^39+18x^41

The gray image is a code over GF(3) with n=153, k=9 and d=87.
This code was found by Heurico 1.16 in 0.13 seconds.