The generator matrix

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

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+318x^33+678x^34+1566x^35+2254x^36+2226x^37+4170x^38+3936x^39+2424x^40+1542x^41+522x^42+18x^43+12x^44+16x^45

The gray image is a code over GF(3) with n=171, k=9 and d=99.
This code was found by Heurico 1.16 in 0.15 seconds.