The generator matrix

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

generates a code of length 81 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 151.

Homogenous weight enumerator: w(x)=1x^0+234x^151+432x^152+308x^153+1326x^154+1986x^155+1040x^156+3258x^157+4266x^158+2334x^159+4836x^160+7416x^161+3264x^162+5946x^163+7350x^164+2940x^165+4452x^166+3960x^167+846x^168+1332x^169+474x^170+132x^171+234x^172+240x^173+28x^174+150x^175+102x^176+24x^177+60x^178+12x^179+10x^180+36x^181+2x^183+6x^184+6x^185+2x^189+4x^192

The gray image is a code over GF(3) with n=729, k=10 and d=453.
This code was found by Heurico 1.16 in 22.6 seconds.