The generator matrix

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

generates a code of length 76 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 143.

Homogenous weight enumerator: w(x)=1x^0+204x^143+594x^144+1800x^145+2874x^146+3202x^147+4248x^148+5322x^149+3852x^150+5106x^151+5850x^152+3822x^153+5130x^154+5172x^155+3188x^156+3072x^157+2436x^158+1484x^159+888x^160+402x^161+86x^162+144x^163+66x^164+24x^165+6x^166+18x^167+16x^168+18x^169+6x^170+12x^171+6x^173

The gray image is a code over GF(3) with n=684, k=10 and d=429.
This code was found by Heurico 1.16 in 8.78 seconds.