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

generates a code of length 99 over F9[X]/(X^2) who´s minimum homogenous weight is 776.

Homogenous weight enumerator: w(x)=1x^0+2304x^776+6264x^777+224x^783+5400x^785+13464x^786+192x^792+3672x^794+8712x^795+312x^801+6120x^803+12384x^804

The gray image is a linear code over GF(9) with n=891, k=5 and d=776.
This code was found by Heurico 1.16 in 72.4 seconds.