The generator matrix

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

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+10x^30+126x^32+42x^33+324x^34+180x^35+14x^36+18x^38+12x^39+2x^48

The gray image is a code over GF(3) with n=153, k=6 and d=90.
This code was found by Heurico 1.16 in 0.00181 seconds.