The generator matrix

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

generates a code of length 74 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 136.

Homogenous weight enumerator: w(x)=1x^0+648x^136+1428x^137+3602x^138+6306x^139+8844x^140+13854x^141+17940x^142+21900x^143+29644x^144+38010x^145+39252x^146+48762x^147+53328x^148+46764x^149+50884x^150+46686x^151+34212x^152+27440x^153+18558x^154+11064x^155+6568x^156+3306x^157+1182x^158+644x^159+288x^160+66x^161+74x^162+60x^163+24x^164+36x^165+24x^166+18x^167+12x^168+12x^169

The gray image is a code over GF(3) with n=666, k=12 and d=408.
This code was found by Heurico 1.16 in 522 seconds.