The generator matrix

 1  0  1  1  1  1  1  0  1  1  6  1  1  1  1 2X  1  1  6  1  1  6  1  1  1  6  1  1  1  1  1  1  1  1 2X+3  1  1 X+3  1 2X+6  1 X+3  1  1  1 X+6  1  1  1  1
 0  1  1  8  6 2X+1  5  1  0 X+7  1 X+5  0  8  7  1 X+1 2X+8  1  6 X+1  1 2X+6 X+6 2X+2  1 2X+5 X+1 2X+4 2X+3  6 X+4 2X+5 2X+8  1 2X+3 X+2  1 X+3  1  5  1 X+8 2X+3  8  1 2X+7 2X+6 2X+6  0
 0  0 2X  0  6  0 X+6 2X  6 X+6 X+3 2X 2X+3  0 2X X+3  X 2X+6 X+3 X+3  3  3 X+3 2X+3  3 2X+3 2X  3 X+3 X+6 2X+3 2X+3 X+6  6 2X+6  3 X+3  X  3 2X  0  3 2X  X X+3 X+6 X+3  0 2X  0
 0  0  0  X X+6 X+3  6  3 2X 2X  3 2X 2X+6 2X+6 2X+3 X+6  0  6 2X  6 2X  X 2X+6  6  6 2X  X  0  X  X  X X+3 X+3  6 X+3 2X+6 2X  X X+3 2X+6  0 2X+6 X+3  X X+3 2X 2X+6 2X 2X+6  3

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+70x^90+270x^91+426x^92+1090x^93+1728x^94+1458x^95+3582x^96+4956x^97+3408x^98+8276x^99+7398x^100+5226x^101+8602x^102+6228x^103+2154x^104+2026x^105+984x^106+312x^107+284x^108+198x^109+108x^110+116x^111+108x^112+24x^113+8x^114+6x^116+2x^120

The gray image is a code over GF(3) with n=450, k=10 and d=270.
This code was found by Heurico 1.16 in 6.94 seconds.