The generator matrix

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

generates a code of length 11 over GR(81,9) who´s minimum homogenous weight is 63.

Homogenous weight enumerator: w(x)=1x^0+288x^63+7944x^72+29160x^80+21608x^81+104976x^88+233280x^89+132264x^90+1920x^99

The gray image is a code over GF(9) with n=99, k=6 and d=63.
This code was found by Heurico 1.16 in 3.34 seconds.