The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  X  1
 0  X  0  0  3  X X+3  X  3  6 2X+3 2X X+3
 0  0  X  0 X+3 2X 2X  6 2X  3  X  6 X+3
 0  0  0  X 2X+3 X+6 2X+6 X+3  3 2X  X  0  3

generates a code of length 13 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 19.

Homogenous weight enumerator: w(x)=1x^0+84x^19+156x^20+272x^21+516x^22+300x^23+2006x^24+918x^25+9234x^26+3928x^27+1140x^28+420x^29+340x^30+258x^31+96x^32+10x^33+4x^36

The gray image is a code over GF(3) with n=117, k=9 and d=57.
This code was found by Heurico 1.16 in 0.227 seconds.