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

generates a code of length 64 over F9[X]/(X^2) who´s minimum homogenous weight is 477.

Homogenous weight enumerator: w(x)=1x^0+216x^477+928x^486+1160x^495+648x^496+1008x^504+10368x^505+880x^513+41472x^514+664x^522+592x^531+456x^540+328x^549+224x^558+72x^567+32x^576

The gray image is a linear code over GF(9) with n=576, k=5 and d=477.
This code was found by Heurico 1.16 in 1.34 seconds.