The generator matrix

 1  0  0  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1 2*X  1  1  1  1  1
 0  1  0 a^7*X+1  a a^2 a^7*X+2 a^7*X+a^7  X a^7*X+a a^6 a^6*X+1 a^7*X+a^2 a^7*X+a^3 a^7 X+a^2 a^7*X+a^5  2 a^5 X+a^5 X+a^6 X+a^3 a^7*X a^7*X+a^6  1 2*X+1 a^3*X+2 a^5*X+a^5 X+a^7 a^3*X+a^7
 0  0  1 a^7*X+a^7  a a^6 a^7*X+a^5 a^7*X+2 a^7*X+a^3 a^7*X+a^2 X+a^6 a^3 a^6*X+a^7 a^6*X+a^2 X+a a^5*X+2 a^3*X+1 a*X+1 a^2*X a^6*X+a^5 a*X+a^2 a^5*X+a^5  1 2*X+a^3 a^6*X+a^6 a^7*X+a^6 a^6*X X+2 a^5  X

generates a code of length 30 over F9[X]/(X^2) who´s minimum homogenous weight is 225.

Homogenous weight enumerator: w(x)=1x^0+5088x^225+15552x^226+10800x^227+7776x^232+35064x^234+62208x^235+27000x^236+29160x^240+62208x^241+94576x^243+132192x^244+49680x^245+96x^261+40x^270

The gray image is a linear code over GF(9) with n=270, k=6 and d=225.
This code was found by Heurico 1.16 in 11.3 seconds.