The generator matrix

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

generates a code of length 29 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 48.

Homogenous weight enumerator: w(x)=1x^0+186x^48+54x^50+600x^51+810x^52+432x^53+3934x^54+4860x^55+1296x^56+13344x^57+9720x^58+1728x^59+13378x^60+6480x^61+864x^62+974x^63+288x^66+58x^69+32x^72+6x^75+4x^78

The gray image is a code over GF(3) with n=261, k=10 and d=144.
This code was found by Heurico 1.16 in 66.3 seconds.