The generator matrix

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

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+720x^50+1212x^51+2322x^52+4500x^53+8306x^54+10782x^55+18726x^56+21654x^57+27432x^58+32196x^59+23094x^60+14310x^61+7578x^62+3132x^63+558x^64+372x^65+180x^66+60x^68+12x^69

The gray image is a code over GF(3) with n=261, k=11 and d=150.
This code was found by Heurico 1.16 in 114 seconds.