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

generates a code of length 50 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 96.

Homogenous weight enumerator: w(x)=1x^0+286x^96+416x^99+972x^100+396x^102+52x^105+58x^108+4x^114+2x^144

The gray image is a code over GF(3) with n=450, k=7 and d=288.
This code was found by Heurico 1.16 in 1.38 seconds.