The generator matrix

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

generates a code of length 34 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 67.

Homogenous weight enumerator: w(x)=1x^0+60x^67+144x^68+30x^70+4x^75+4x^78

The gray image is a code over GF(3) with n=306, k=5 and d=201.
This code was found by Heurico 1.16 in 0.00783 seconds.