The generator matrix

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

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+60x^30+180x^32+206x^33+378x^34+1080x^35+3206x^36+1512x^37+3618x^38+6148x^39+1512x^40+1440x^41+222x^42+96x^45+20x^48+4x^51

The gray image is a code over GF(3) with n=171, k=9 and d=90.
This code was found by Heurico 1.16 in 0.235 seconds.