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  0  1  1  1  1  1  1  1  1  1  1  1  2  1  1  1  1  1  1  1  2  1 2a+2  1  1  1  1  1  1  1  1  1  1 2a+2  1  1  1  1  1  1 2a^2  1  1  1  1  1 2a^2  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 3a^2+2 2a^2+3a+1 a^2+3a a^2+3a+3 3a^2+2a+3  0 2a^2+3  a 3a^2+2 a^2+3a 3a^2+2a+3 2a^2+3a+1 a^2+3a+3  2  2 2a^2+2a 2a^2+2a a+2  1 a+2 3a+2 2a^2+a 3a+2 2a^2+2 2a^2+2 2a^2+a 2a^2+3 3a^2+3 2a^2+3a+3 a^2+3a+1  1 3a^2+2a+2 a^2+a 3a^2+2a+2 a^2+a a^2+3a+1 3a^2+3 2a^2+2a+3  1 2a^2+3a+3  1 2a^2+2a+3 2a^2+a+3 a^2+a+2 3a^2+2a+1 a^2+2a+2 3a^2+3a+3  1 a^2+a+2 3a+1 3a^2+3a+3  1 3a^2+1 3a^2+a+2 2a^2+2a+1 3a^2+2a+1 3a+1 3a^2+3a+1  1 2a^2+2a+1 2a^2+a+3 3a^2+a+2 3a^2+3a+1 3a^2+1  1 3a^2+2a 3a^2+2a a^2+2a+2 3a^2 3a^2  0  2 2a  a a+2 3a+2 3a^2+2 2a 2a^2+a 3a^2+2a+2 a^2+2a+2 2a^2+3a+2 2a 2a^2+3 2a^2+2a+3 2a^2+2a+1 2a^2+1 2a^2+1
 0  0 2a^2+2 2a  2  0 2a+2 2a^2+2a+2 2a^2+2a 2a^2 2a 2a^2+2a 2a+2  2 2a^2+2 2a^2+2a+2 2a^2 2a^2+2 2a^2+2a+2  2 2a^2+2a 2a+2 2a^2+2a+2 2a^2 2a^2+2a+2  2 2a^2+2 2a+2 2a  0 2a^2+2a  0 2a^2 2a 2a^2 2a^2+2 2a^2+2a+2 2a  0  2 2a+2 2a^2 2a^2+2a 2a^2+2a 2a+2 2a^2+2a+2 2a+2 2a 2a^2 2a^2+2a+2 2a+2  0 2a^2+2a 2a  0 2a^2+2  2 2a^2+2 2a+2 2a^2+2a+2  2 2a^2+2  2  2 2a^2+2 2a^2 2a^2+2a 2a 2a 2a+2 2a^2+2  2 2a 2a^2+2a+2  2 2a^2+2a 2a+2 2a^2+2a+2 2a^2+2 2a^2 2a^2 2a^2 2a^2+2a 2a^2+2a  0  0  0  2 2a 2a^2+2  0 2a^2

generates a code of length 92 over GR(64,4) who´s minimum homogenous weight is 632.

Homogenous weight enumerator: w(x)=1x^0+63x^632+3808x^633+7840x^636+245x^640+4928x^641+2240x^644+105x^648+2016x^649+7840x^652+35x^656+3584x^657+28x^664+35x^672

The gray image is a code over GF(8) with n=736, k=5 and d=632.
This code was found by Heurico 1.16 in 0.459 seconds.