The generator matrix

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

generates a code of length 19 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 33.

Homogenous weight enumerator: w(x)=1x^0+122x^33+486x^34+694x^36+1944x^37+1200x^39+1944x^40+128x^42+34x^45+6x^48+2x^51

The gray image is a code over GF(3) with n=171, k=8 and d=99.
This code was found by Heurico 1.16 in 0.0387 seconds.