The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  X  1  1  1  1
 0  6  0  0  6  0  6  6  3  0  0  6  6  0  3  6  3  3  6  0  6  0  6
 0  0  6  0  3  6  3  6  3  0  6  6  0  3  0  0  6  6  6  3  3  3  3
 0  0  0  6  3  3  0  3  3  3  6  0  3  0  3  6  6  0  6  6  6  3  3

generates a code of length 23 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 42.

Homogenous weight enumerator: w(x)=1x^0+24x^42+54x^44+24x^45+486x^46+108x^47+14x^48+12x^51+2x^54+2x^57+2x^66

The gray image is a code over GF(3) with n=207, k=6 and d=126.
This code was found by Heurico 1.16 in 0.00362 seconds.