The generator matrix

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

generates a code of length 40 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 75.

Homogenous weight enumerator: w(x)=1x^0+240x^75+342x^76+648x^77+1278x^78+492x^79+648x^80+940x^81+504x^82+648x^83+678x^84+84x^85+18x^87+12x^88+2x^90+24x^94+2x^99

The gray image is a code over GF(3) with n=360, k=8 and d=225.
This code was found by Heurico 1.16 in 0.0844 seconds.