The generator matrix

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

generates a code of length 11 over Z9 who´s minimum homogenous weight is 21.

Homogenous weight enumerator: w(x)=1x^0+12x^21+54x^22+12x^24+2x^27

The gray image is a code over GF(3) with n=33, k=4 and d=21.
This code was found by Heurico 1.16 in 0.000202 seconds.