The generator matrix

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

generates a code of length 73 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 141.

Homogenous weight enumerator: w(x)=1x^0+740x^141+630x^142+1634x^144+486x^145+900x^147+432x^148+1112x^150+342x^151+222x^153+54x^154+2x^162+4x^171+2x^186

The gray image is a code over GF(3) with n=657, k=8 and d=423.
This code was found by Heurico 1.16 in 8.4 seconds.