The generator matrix

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

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+400x^75+720x^76+668x^78+1386x^79+1062x^81+1584x^82+516x^84+162x^85+12x^87+36x^88+8x^90+4x^96+2x^111

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 15.5 seconds.