The generator matrix

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

generates a code of length 28 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 45.

Homogenous weight enumerator: w(x)=1x^0+72x^45+120x^47+226x^48+918x^50+678x^51+3402x^52+3798x^53+3290x^54+13608x^55+7140x^56+5112x^57+13608x^58+5076x^59+1290x^60+414x^62+162x^63+30x^65+60x^66+30x^69+12x^72+2x^75

The gray image is a code over GF(3) with n=252, k=10 and d=135.
This code was found by Heurico 1.16 in 3.49 seconds.