The generator matrix

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

generates a code of length 42 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 75.

Homogenous weight enumerator: w(x)=1x^0+606x^75+1338x^76+1728x^77+4328x^78+7002x^79+8244x^80+12646x^81+17466x^82+18918x^83+22746x^84+24246x^85+20466x^86+17390x^87+11052x^88+4554x^89+2624x^90+1308x^91+36x^92+156x^93+210x^94+8x^96+72x^97+2x^99

The gray image is a code over GF(3) with n=378, k=11 and d=225.
This code was found by Heurico 1.16 in 91.5 seconds.