The generator matrix

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

generates a code of length 40 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 72.

Homogenous weight enumerator: w(x)=1x^0+282x^72+162x^73+162x^74+976x^75+756x^76+1458x^77+2094x^78+2268x^79+2430x^80+2854x^81+2268x^82+1782x^83+1494x^84+378x^85+258x^87+38x^90+10x^93+4x^96+4x^102+2x^105+2x^108

The gray image is a code over GF(3) with n=360, k=9 and d=216.
This code was found by Heurico 1.16 in 1.16 seconds.