The generator matrix

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

generates a code of length 17 over F9[X]/(X^2) who´s minimum homogenous weight is 120.

Homogenous weight enumerator: w(x)=1x^0+1368x^120+8424x^121+312x^126+9720x^128+21888x^129+58968x^130+152x^135+104976x^136+77760x^137+87552x^138+160056x^139+120x^144+144x^153

The gray image is a linear code over GF(9) with n=153, k=6 and d=120.
This code was found by Heurico 1.16 in 4.88 seconds.