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

generates a code of length 49 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 90.

Homogenous weight enumerator: w(x)=1x^0+164x^90+478x^93+888x^96+2916x^98+1556x^99+214x^102+174x^105+118x^108+46x^111+4x^117+2x^144

The gray image is a code over GF(3) with n=441, k=8 and d=270.
This code was found by Heurico 1.16 in 0.227 seconds.