The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+264x^143+492x^144+1788x^145+3252x^146+3190x^147+3816x^148+5046x^149+4082x^150+5064x^151+5664x^152+4670x^153+4794x^154+4812x^155+3604x^156+3072x^157+2568x^158+1040x^159+744x^160+672x^161+162x^162+114x^163+48x^164+2x^165+42x^166+18x^167+2x^168+6x^169+6x^171+6x^173+2x^174+6x^179

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 9.12 seconds.