The generator matrix

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

generates a code of length 47 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 90.

Homogenous weight enumerator: w(x)=1x^0+964x^90+630x^91+540x^92+1110x^93+738x^94+216x^95+1080x^96+522x^97+216x^98+432x^99+54x^100+36x^105+14x^108+6x^111+2x^117

The gray image is a code over GF(3) with n=423, k=8 and d=270.
This code was found by Heurico 1.16 in 81.2 seconds.