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

generates a code of length 23 over F9[X]/(X^2) who´s minimum homogenous weight is 153.

Homogenous weight enumerator: w(x)=1x^0+224x^153+792x^160+1280x^162+1944x^168+8640x^169+5504x^171+17496x^176+31104x^177+32832x^178+19512x^180+139968x^185+124416x^186+115200x^187+30456x^189+1672x^198+400x^207

The gray image is a linear code over GF(9) with n=207, k=6 and d=153.
This code was found by Heurico 1.16 in 10.5 seconds.