The generator matrix

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

generates a code of length 21 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 36.

Homogenous weight enumerator: w(x)=1x^0+790x^36+942x^37+1986x^38+4302x^39+5490x^40+7188x^41+13730x^42+10206x^43+7218x^44+5560x^45+1308x^46+120x^47+148x^48+36x^49+12x^50+10x^51+2x^57

The gray image is a code over GF(3) with n=189, k=10 and d=108.
This code was found by Heurico 1.16 in 1.96 seconds.