The generator matrix

 1  0  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  0  1  1  1  1  X  X  1  1  1  1
 0  1  1  a a^7*X+a^2 a^7*X+2 a^7 a^3 a^5 a^7*X+a^6 a^7*X+1  0  a a^3 a^7*X+a^2 a^5 a^7*X+a^6 a^7 a^7*X+2  1  X X+a a^6*X+a^2 X+a^7  1  X a^6*X+1 X+a^5  X a^5*X+1
 0  0 a^7*X a*X a^6*X a^5*X 2*X  X  0 a^6*X a^3*X a*X a^2*X a^7*X 2*X  X a^7*X a^2*X a^6*X a^5*X a^2*X a^5*X  0 a*X a^7*X a^5*X 2*X a^5*X a^3*X a^6*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+744x^225+2160x^226+1440x^227+4896x^234+8640x^235+3600x^236+12416x^243+18360x^244+6624x^245+48x^252+72x^261+48x^270

The gray image is a linear code over GF(9) with n=270, k=5 and d=225.
This code was found by Heurico 1.16 in 0.187 seconds.