The generator matrix

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

generates a code of length 47 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 84.

Homogenous weight enumerator: w(x)=1x^0+196x^84+450x^85+1656x^86+3226x^87+4812x^88+6450x^89+9644x^90+10590x^91+15780x^92+19486x^93+23172x^94+22608x^95+20682x^96+15396x^97+10740x^98+7094x^99+2694x^100+1464x^101+518x^102+174x^103+72x^104+110x^105+42x^106+18x^107+34x^108+18x^109+18x^110+2x^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 45.4 seconds.