The generator matrix

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

generates a code of length 30 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 51.

Homogenous weight enumerator: w(x)=1x^0+688x^51+1170x^52+4380x^53+9298x^54+12240x^55+24006x^56+35748x^57+49464x^58+69852x^59+86722x^60+80568x^61+73044x^62+48634x^63+21288x^64+9852x^65+3714x^66+450x^67+132x^68+110x^69+54x^70+12x^71+6x^72+6x^73+2x^78

The gray image is a code over GF(3) with n=270, k=12 and d=153.
This code was found by Heurico 1.16 in 212 seconds.