The generator matrix

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

generates a code of length 47 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 84.

Homogenous weight enumerator: w(x)=1x^0+304x^84+462x^85+1752x^86+2892x^87+4662x^88+6138x^89+9060x^90+12840x^91+16038x^92+18020x^93+23226x^94+22110x^95+20680x^96+16764x^97+10560x^98+5788x^99+3108x^100+1632x^101+696x^102+126x^103+60x^104+116x^105+48x^106+24x^107+28x^108+6x^110+6x^111

The gray image is a code over GF(3) with n=423, k=11 and d=252.
This code was found by Heurico 1.16 in 41.8 seconds.