The generator matrix

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

generates a code of length 42 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 74.

Homogenous weight enumerator: w(x)=1x^0+438x^74+1536x^75+4680x^76+6618x^77+11984x^78+19614x^79+23850x^80+37312x^81+52194x^82+56616x^83+70524x^84+74514x^85+59862x^86+48872x^87+34902x^88+14862x^89+8144x^90+3552x^91+960x^92+174x^93+60x^94+84x^95+56x^96+24x^97+6x^98+2x^99

The gray image is a code over GF(3) with n=378, k=12 and d=222.
This code was found by Heurico 1.16 in 276 seconds.