The generator matrix

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

generates a code of length 38 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 71.

Homogenous weight enumerator: w(x)=1x^0+234x^71+294x^72+870x^73+792x^74+588x^75+1194x^76+588x^77+532x^78+846x^79+450x^80+92x^81+24x^83+22x^84+12x^86+2x^87+6x^88+6x^89+6x^90+2x^93

The gray image is a code over GF(3) with n=342, k=8 and d=213.
This code was found by Heurico 1.16 in 0.0769 seconds.