The generator matrix

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

generates a code of length 76 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 141.

Homogenous weight enumerator: w(x)=1x^0+160x^141+246x^142+390x^143+1186x^144+1644x^145+2370x^146+2498x^147+3540x^148+4146x^149+4100x^150+5202x^151+6324x^152+5348x^153+6114x^154+4842x^155+3514x^156+2976x^157+1998x^158+902x^159+558x^160+210x^161+254x^162+54x^163+90x^164+172x^165+54x^166+30x^167+58x^168+24x^169+6x^170+22x^171+6x^173+8x^174+2x^189

The gray image is a code over GF(3) with n=684, k=10 and d=423.
This code was found by Heurico 1.16 in 12.3 seconds.