The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  6  1  X  1  X
 0  X  0  3 2X X+6  X 2X+6 2X  3  6 X+6  X  6 2X+6 2X  3
 0  0  X 2X+6  3 2X+6  X X+6 2X+3  3 X+6  0 X+3 2X+3 X+6 X+6  X

generates a code of length 17 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 30.

Homogenous weight enumerator: w(x)=1x^0+190x^30+54x^31+252x^32+280x^33+552x^34+372x^35+344x^36+30x^37+12x^38+74x^39+12x^40+12x^41+2x^42

The gray image is a code over GF(3) with n=153, k=7 and d=90.
This code was found by Heurico 1.16 in 0.114 seconds.