The generator matrix

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

generates a code of length 39 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 74.

Homogenous weight enumerator: w(x)=1x^0+234x^74+102x^75+162x^76+342x^77+540x^78+324x^79+306x^80+60x^81+36x^83+24x^84+36x^86+18x^89+2x^108

The gray image is a code over GF(3) with n=351, k=7 and d=222.
This code was found by Heurico 1.16 in 0.5 seconds.