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

generates a code of length 98 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 192.

Homogenous weight enumerator: w(x)=1x^0+274x^192+324x^194+374x^195+648x^197+454x^198+102x^201+4x^204+2x^207+2x^210+2x^279

The gray image is a code over GF(3) with n=882, k=7 and d=576.
This code was found by Heurico 1.16 in 60.7 seconds.