The generator matrix

 1  0  1  1  1  1  1  1  1  0  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^3  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  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^2*X a^6*X

generates a code of length 19 over F9[X]/(X^2) who´s minimum homogenous weight is 126.

Homogenous weight enumerator: w(x)=1x^0+248x^126+144x^128+1040x^135+3240x^136+3456x^137+18680x^144+51840x^145+27648x^146+141376x^153+207360x^154+73728x^155+2064x^162+616x^171

The gray image is a linear code over GF(9) with n=171, k=6 and d=126.
This code was found by Heurico 1.16 in 8.39 seconds.