The generator matrix

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

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+258x^75+318x^76+738x^77+1956x^78+1968x^79+2442x^80+5484x^81+4482x^82+5886x^83+9786x^84+6408x^85+5844x^86+7168x^87+2922x^88+1344x^89+1080x^90+342x^91+198x^92+204x^93+78x^94+60x^95+62x^96+6x^97+12x^98+2x^99

The gray image is a code over GF(3) with n=378, k=10 and d=225.
This code was found by Heurico 1.16 in 5.75 seconds.