The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  3  1  1  1  1  X  0  1  1  X  X  X  1
 0  X 2X  0 X+6 2X  3 2X+3 X+6 X+6 2X  0  3 X+6 2X 2X+3  0 X+6  3 X+3 2X 2X+3 2X+6 X+3 2X+3 X+6  3 X+3  6 X+3 X+3 X+6 X+3 X+6 X+3 X+3  X 2X 2X 2X+3 2X 2X+3 2X+3 2X+6 X+6  0  0  0  3  3  6  6  0  0  6 X+3 2X+6 2X  3 2X+3 2X 2X  3  0  0 2X+6 2X+3  6  3 2X+3 2X+6  3  3 2X+3 X+6 X+6 X+3  X X+6 X+3  X  X X+6  3 X+3  X X+3  X 2X  X  3 2X+3 2X X+6 2X  0
 0  0  3  0  0  0  0  6  6  3  3  3  6  3  0  3  3  6  6  6  6  6  0  0  3  3  3  0  6  3  6  6  6  3  0  0  3  0  0  3  3  3  0  0  6  0  6  3  6  6  6  6  3  0  3  6  6  6  0  0  3  3  3  3  0  6  6  0  6  0  6  3  0  6  6  3  0  6  0  6  0  3  0  0  6  3  3  0  0  3  6  3  0  6  3  3
 0  0  0  3  0  0  6  0  0  0  0  0  3  6  6  3  6  3  6  6  6  3  3  6  6  6  3  3  0  3  3  6  0  0  3  6  3  0  6  6  6  0  6  0  6  0  6  0  6  0  3  0  6  0  0  6  0  3  3  3  3  3  3  3  3  0  6  6  3  3  3  6  6  6  3  0  6  0  0  3  0  3  3  0  0  0  6  6  0  6  6  3  0  0  6  6
 0  0  0  0  6  6  0  3  6  3  6  3  6  0  6  0  3  6  6  6  3  3  6  0  0  3  3  0  6  3  3  3  3  0  6  6  0  0  3  3  6  3  0  3  0  3  3  0  0  0  3  3  6  6  6  0  0  0  3  0  3  6  6  0  6  6  0  3  0  3  6  0  6  6  0  6  3  6  3  6  6  6  3  0  0  0  6  6  0  6  3  6  6  6  6  6

generates a code of length 96 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 183.

Homogenous weight enumerator: w(x)=1x^0+90x^183+72x^184+78x^185+260x^186+168x^187+678x^188+318x^189+366x^190+1458x^191+192x^192+714x^193+1014x^194+176x^195+510x^196+66x^197+60x^198+42x^199+24x^201+12x^202+42x^203+32x^204+24x^205+66x^206+60x^207+24x^208+12x^211+2x^270

The gray image is a code over GF(3) with n=864, k=8 and d=549.
This code was found by Heurico 1.16 in 1.27 seconds.