The generator matrix

 1  0  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  0  1  1  1  1  1  0  1  1  1  1  1  1  1  1  1  1  X  1  1  1  1  1  X  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  1  1  1  1  1  1  1  1  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^5 a^7  0 a^7 a^5  a a^7*X+a^6 a^7*X+1 a^7*X+a^2 a^3  1 a^7*X+2  0 a^7*X+1 a^7*X+a^6 a^3  1  a a^7*X+2 a^6*X+a^6  X a^5 a^7 a^7*X+a^2 X+a^7 a^6*X+2 a^6*X+a^6  1 X+a X+a^5 a^6*X+a^2 a^7*X+1 X+a^3  1 a*X+a^7 a*X+a X+a^3 X+a^5 a^6*X+2 a*X a^6*X+a^6 X+a^3 X+a^7 2*X+2 X+a^5 2*X+a^6 a^5*X+1 a^2*X+a^5 a*X+a 2*X+1  1 a^6*X+a^2 a^6*X+a^2  X X+a^7 a*X+a a^6*X+2 a^3*X+a^3 a^6*X+a^6  2 X+a^2 a^6*X a^7 a^3*X+a^5 a^3*X+a a^3*X+a^3 X+a^7  2  X a^7*X+a^6 X+a^3 a*X+a^5 a^3*X+a^6 a^6*X 2*X+1 a^6*X+2 2*X+a^7 2*X a^2*X+a^3 a^2*X+a^3 a^2*X+a^5 a^7*X+a^7 a*X a^7*X+1
 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  0 a^5*X a^3*X a^6*X 2*X a^5*X a*X a^5*X 2*X a*X a^3*X a^5*X a^2*X a^7*X a^5*X a^5*X 2*X  X  0 a^3*X  0 a^6*X a^3*X  X a^5*X  X a^2*X 2*X a^2*X a^7*X  X a^7*X  0 a^6*X  0 2*X 2*X a*X a*X a^3*X  X a*X a^5*X 2*X a^6*X 2*X a^3*X a^6*X  0 a^5*X a^2*X a^2*X  X a*X 2*X  X a^5*X  X a*X a^7*X a^6*X 2*X a^3*X a*X a*X  X a^2*X 2*X a^3*X a*X  X  0 a^3*X a^6*X a^5*X 2*X  X a^7*X a^5*X
 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*X a^2*X a^7*X  0 a^3*X a*X a^3*X a^6*X 2*X a*X a^5*X  X  0  X 2*X a*X a^6*X a*X a^7*X a*X a^6*X a^3*X  0 a^3*X a^3*X a^6*X a^7*X a*X 2*X a^7*X 2*X a^3*X  0 a^7*X a^3*X  0 a^6*X  X a^7*X a^3*X  0 a^6*X a^5*X a^7*X a^5*X 2*X a^2*X a*X 2*X a^3*X 2*X a^6*X a^2*X  0 a^7*X a^2*X  X  0 2*X 2*X a^3*X 2*X a*X a*X a^2*X 2*X  X a^5*X  X  0 a^3*X 2*X 2*X a^7*X a^6*X 2*X a^6*X a*X a^5*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+464x^702+72x^707+432x^708+2520x^710+5304x^711+1440x^715+2160x^716+5904x^717+14184x^719+17944x^720+5400x^724+6696x^725+15984x^726+29808x^728+32216x^729+19872x^733+20664x^734+41904x^735+62712x^737+63344x^738+25776x^742+22896x^743+40752x^744+48240x^746+43160x^747+360x^756+408x^765+248x^774+224x^783+224x^792+88x^801+32x^810+8x^819

The gray image is a linear code over GF(9) with n=828, k=6 and d=702.
This code was found by Heurico 1.16 in 54.9 seconds.