The generator matrix

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

generates a code of length 43 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 81.

Homogenous weight enumerator: w(x)=1x^0+292x^81+294x^82+882x^83+830x^84+624x^85+1002x^86+644x^87+366x^88+858x^89+550x^90+150x^91+12x^92+8x^93+4x^96+6x^97+18x^99+18x^100+2x^102

The gray image is a code over GF(3) with n=387, k=8 and d=243.
This code was found by Heurico 1.16 in 0.0947 seconds.