The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  X  1  1  1  X  1
 0  X 2X  0 X+3 2X 2X+6  6 X+3 X+3  0 2X  0 2X X+3 2X+3 X+3  3  X  6  6 X+6 2X+6 X+6  0  6 2X+3 2X+6  3  6
 0  0  6  0  0  0  3  0  3  3  6  3  3  3  3  0  0  6  3  0  0  6  3  0  6  3  6  3  6  0
 0  0  0  6  0  6  3  3  3  3  3  0  3  0  0  0  6  6  0  6  3  3  6  3  3  3  3  0  3  3
 0  0  0  0  3  3  6  0  3  6  3  3  3  0  6  3  0  6  0  3  3  6  0  3  0  6  6  6  0  0

generates a code of length 30 over Z9[X]/(X^2+3,3X) who´s minimum homogenous weight is 53.

Homogenous weight enumerator: w(x)=1x^0+126x^53+256x^54+396x^56+68x^57+126x^59+4488x^60+522x^62+128x^63+252x^65+82x^66+36x^68+42x^69+20x^72+10x^75+6x^78+2x^84

The gray image is a code over GF(3) with n=270, k=8 and d=159.
This code was found by Heurico 1.16 in 18.2 seconds.