The generator matrix

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

generates a code of length 92 over F9[X]/(X^2) who´s minimum homogenous weight is 702.

Homogenous weight enumerator: w(x)=1x^0+440x^702+1216x^711+1072x^720+5832x^728+848x^729+46656x^737+728x^738+568x^747+512x^756+328x^765+288x^774+240x^783+184x^792+112x^801+8x^810+16x^819

The gray image is a linear code over GF(9) with n=828, k=5 and d=702.
This code was found by Heurico 1.16 in 2.05 seconds.