The generator matrix

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

generates a code of length 42 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 79.

Homogenous weight enumerator: w(x)=1x^0+186x^79+270x^80+1062x^81+972x^82+408x^83+1086x^84+576x^85+294x^86+978x^87+516x^88+144x^89+14x^90+6x^92+12x^95+6x^96+18x^97+12x^99

The gray image is a code over GF(3) with n=378, k=8 and d=237.
This code was found by Heurico 1.16 in 0.0901 seconds.