The generator matrix

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

generates a code of length 23 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 39.

Homogenous weight enumerator: w(x)=1x^0+262x^39+162x^40+1130x^42+972x^43+2430x^44+3006x^45+1944x^46+4860x^47+3010x^48+1296x^49+536x^51+44x^54+22x^57+8x^60

The gray image is a code over GF(3) with n=207, k=9 and d=117.
This code was found by Heurico 1.16 in 2.65 seconds.