The generator matrix

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

generates a code of length 48 over F9[X]/(X^2) who´s minimum homogenous weight is 351.

Homogenous weight enumerator: w(x)=1x^0+200x^351+144x^353+928x^360+1152x^361+2880x^362+2808x^363+1152x^369+12096x^370+16416x^371+11016x^372+1048x^378+65664x^379+74592x^380+39528x^381+968x^387+131040x^388+115920x^389+51624x^390+816x^396+704x^405+456x^414+240x^423+48x^432

The gray image is a linear code over GF(9) with n=432, k=6 and d=351.
This code was found by Heurico 1.16 in 26.8 seconds.