The generator matrix

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

generates a code of length 23 over F9[X]/(X^2) who´s minimum homogenous weight is 170.

Homogenous weight enumerator: w(x)=1x^0+2160x^170+216x^171+1944x^176+8640x^179+192x^180+11664x^184+15552x^185+18360x^188+152x^189+96x^198+72x^207

The gray image is a linear code over GF(9) with n=207, k=5 and d=170.
This code was found by Heurico 1.16 in 93.7 seconds.