The generator matrix

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

generates a code of length 39 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 71.

Homogenous weight enumerator: w(x)=1x^0+192x^71+314x^72+828x^73+1332x^74+1216x^75+1404x^76+3366x^77+1932x^78+2484x^79+3390x^80+1452x^81+1116x^82+246x^83+168x^84+144x^86+12x^87+72x^89+4x^90+6x^92+2x^99+2x^102

The gray image is a code over GF(3) with n=351, k=9 and d=213.
This code was found by Heurico 1.16 in 0.631 seconds.