The generator matrix

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

generates a code of length 29 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 50.

Homogenous weight enumerator: w(x)=1x^0+360x^50+312x^51+360x^52+2094x^53+2710x^54+2160x^55+7422x^56+7758x^57+7722x^58+13020x^59+8046x^60+2880x^61+2820x^62+716x^63+462x^65+126x^66+66x^68+12x^69+2x^72

The gray image is a code over GF(3) with n=261, k=10 and d=150.
This code was found by Heurico 1.16 in 41 seconds.