The generator matrix

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

generates a code of length 64 over F9[X]/(X^2) who´s minimum homogenous weight is 494.

Homogenous weight enumerator: w(x)=1x^0+864x^494+96x^495+72x^496+1296x^498+3024x^501+7488x^503+280x^504+1152x^505+5184x^507+3024x^510+5760x^512+128x^513+4608x^514+11016x^516+5616x^519+9216x^521+112x^522+48x^531+40x^540+8x^549+8x^558+8x^567

The gray image is a linear code over GF(9) with n=576, k=5 and d=494.
This code was found by Heurico 1.16 in 0.489 seconds.