The generator matrix

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

generates a code of length 21 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 37.

Homogenous weight enumerator: w(x)=1x^0+468x^37+510x^38+1834x^39+2358x^40+2034x^41+3868x^42+4056x^43+1968x^44+1814x^45+708x^46+18x^47+14x^48+24x^49+6x^50+2x^51

The gray image is a code over GF(3) with n=189, k=9 and d=111.
This code was found by Heurico 1.16 in 0.227 seconds.