The generator matrix

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

generates a code of length 19 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 30.

Homogenous weight enumerator: w(x)=1x^0+116x^30+138x^31+366x^32+602x^33+3072x^34+1200x^35+6224x^36+11280x^37+9756x^38+11658x^39+11472x^40+1668x^41+960x^42+222x^43+132x^44+102x^45+60x^46+16x^48+4x^51

The gray image is a code over GF(3) with n=171, k=10 and d=90.
This code was found by Heurico 1.16 in 1.96 seconds.