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

generates a code of length 48 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 92.

Homogenous weight enumerator: w(x)=1x^0+222x^92+214x^93+162x^94+372x^95+342x^96+324x^97+282x^98+128x^99+42x^101+30x^102+42x^104+12x^105+6x^107+6x^110+2x^129

The gray image is a code over GF(3) with n=432, k=7 and d=276.
This code was found by Heurico 1.16 in 0.559 seconds.