The generator matrix

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

generates a code of length 74 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 142.

Homogenous weight enumerator: w(x)=1x^0+1314x^142+942x^143+1764x^144+2544x^145+1614x^146+1400x^147+2106x^148+1110x^149+1210x^150+1776x^151+960x^152+770x^153+1098x^154+324x^155+268x^156+390x^157+72x^158+8x^159+6x^163+6x^165

The gray image is a code over GF(3) with n=666, k=9 and d=426.
This code was found by Heurico 1.16 in 1.21 seconds.