The generator matrix

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

generates a code of length 83 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 158.

Homogenous weight enumerator: w(x)=1x^0+342x^158+642x^159+774x^160+1416x^161+1454x^162+1260x^163+1572x^164+1460x^165+1764x^166+2034x^167+1646x^168+1332x^169+1254x^170+934x^171+630x^172+468x^173+300x^174+72x^175+126x^176+88x^177+24x^179+12x^180+18x^182+20x^183+18x^185+6x^188+2x^189+12x^191+2x^192

The gray image is a code over GF(3) with n=747, k=9 and d=474.
This code was found by Heurico 1.16 in 1.71 seconds.