The generator matrix

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

generates a code of length 25 over F9[X]/(X^2) who´s minimum homogenous weight is 171.

Homogenous weight enumerator: w(x)=1x^0+264x^171+1008x^176+912x^180+1944x^184+13824x^185+1184x^189+5832x^192+31104x^193+74304x^194+992x^198+46656x^201+124416x^202+225792x^203+1488x^207+1368x^216+352x^225

The gray image is a linear code over GF(9) with n=225, k=6 and d=171.
This code was found by Heurico 1.16 in 12.2 seconds.