The generator matrix

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

generates a code of length 19 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 33.

Homogenous weight enumerator: w(x)=1x^0+110x^33+174x^34+594x^35+830x^36+774x^37+1086x^38+1598x^39+636x^40+582x^41+100x^42+30x^43+6x^44+30x^45+6x^46+4x^48

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 0.031 seconds.