The generator matrix

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

generates a code of length 17 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 29.

Homogenous weight enumerator: w(x)=1x^0+198x^29+860x^30+1242x^31+1782x^32+2796x^33+4968x^34+3204x^35+3020x^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 0.175 seconds.