The generator matrix

 1  0  1  1  1  1  1  1  1  1  1  1  1  1  1  0  1  1  1  0  1  1  1  3  1  1  1  1  1 3a  3  1  1 6a+3  1  1  1  1  1  1  1  1 3a+6  1
 0  1  1  a 7a+7 8a+4 3a+5 8a+5 8a a+5  0 a+5 8a 8a+5 8a+4  1  a 7a+7 8a+5  1 3a+7 8a  0  1  a 8a+4 8a+7 8a+7 7a+7  1  1 8a+7 2a+5  1 2a+4  3 2a+5 3a+5 a+7 5a+7 8a+3 a+5  1 a+3
 0  0 3a+6  0 3a+6  3 6a+6 6a+6  6 3a 3a+6 3a  3 3a  3  3 6a+6  6  6 3a+6 3a+6 6a 3a+3  3  6 6a 6a 3a+3 3a+3 6a+3 3a+6  3  6 3a  0 6a+3 3a  6  3 3a 6a+6 3a+3  0 6a
 0  0  0  3 3a+6 3a+6  3 3a  3 3a+3 6a 6a+6 6a 6a+3  0 6a+6 3a+3 3a+6 6a+3  6 3a 3a 3a  3 3a+3 6a+3  0 3a+3 6a+3 3a+6  3 3a+3 3a 3a 3a+6 6a  6 3a+3 6a+3 3a 6a+3 6a+6 3a  0

generates a code of length 44 over GR(81,9) who´s minimum homogenous weight is 324.

Homogenous weight enumerator: w(x)=1x^0+872x^324+72x^328+1152x^329+720x^330+7600x^333+1296x^336+1728x^337+12096x^338+4320x^339+16232x^342+20736x^345+13824x^346+65664x^347+18360x^348+43560x^351+82944x^354+36864x^355+131040x^356+29088x^357+41512x^360+776x^369+576x^378+352x^387+56x^396

The gray image is a code over GF(9) with n=396, k=6 and d=324.
This code was found by Heurico 1.16 in 24 seconds.