The generator matrix

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

generates a code of length 41 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 72.

Homogenous weight enumerator: w(x)=1x^0+576x^72+924x^73+4686x^74+7562x^75+9480x^76+19800x^77+27486x^78+30018x^79+56268x^80+63672x^81+57816x^82+81930x^83+68674x^84+38724x^85+35484x^86+17508x^87+6264x^88+3390x^89+818x^90+84x^91+108x^92+72x^93+54x^94+12x^95+12x^96+6x^97+12x^98

The gray image is a code over GF(3) with n=369, k=12 and d=216.
This code was found by Heurico 1.16 in 326 seconds.