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

generates a code of length 50 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 90.

Homogenous weight enumerator: w(x)=1x^0+144x^90+162x^91+192x^92+506x^93+234x^94+414x^95+1332x^96+234x^97+2184x^98+3290x^99+1680x^100+3702x^101+3264x^102+222x^103+516x^104+450x^105+240x^106+210x^107+254x^108+102x^109+66x^110+168x^111+30x^112+6x^113+54x^114+12x^115+8x^117+4x^120+2x^135

The gray image is a code over GF(3) with n=450, k=9 and d=270.
This code was found by Heurico 1.16 in 1.55 seconds.