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  3  1  1  1  3  3  1  1
 0  3  0  0  0  0  0  0  0  0  3  6  6  3  3  3  0  6  6  3  3  3  6  0  0  6  6  0  3  6  6  6  3  0  6  0
 0  0  3  0  0  0  0  3  6  6  6  0  0  6  3  6  3  0  3  3  3  0  0  6  6  0  3  0  3  6  0  6  6  3  0  3
 0  0  0  3  0  0  3  6  0  6  0  0  6  3  3  6  0  3  6  6  6  3  0  6  6  3  0  6  0  3  3  6  0  0  6  0
 0  0  0  0  3  0  6  6  3  0  6  6  6  0  6  6  0  6  6  3  0  0  0  6  6  0  6  6  3  3  6  3  6  6  6  3
 0  0  0  0  0  3  6  6  6  6  6  6  3  6  3  3  6  3  0  6  6  0  3  6  3  6  6  3  0  0  0  0  6  3  0  6

generates a code of length 36 over Z9 who´s minimum homogenous weight is 63.

Homogenous weight enumerator: w(x)=1x^0+248x^63+54x^66+324x^69+910x^72+432x^75+182x^81+34x^90+2x^99

The gray image is a code over GF(3) with n=108, k=7 and d=63.
This code was found by Heurico 1.16 in 6.11 seconds.