The generator matrix

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

generates a code of length 37 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 71.

Homogenous weight enumerator: w(x)=1x^0+594x^71+114x^72+756x^74+84x^75+594x^77+36x^78+2x^81+6x^84

The gray image is a code over GF(3) with n=333, k=7 and d=213.
This code was found by Heurico 1.16 in 0.0186 seconds.