The generator matrix

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

generates a code of length 21 over Z9 who´s minimum homogenous weight is 33.

Homogenous weight enumerator: w(x)=1x^0+106x^33+160x^36+418x^39+778x^42+538x^45+64x^48+88x^51+30x^54+4x^57

The gray image is a code over GF(3) with n=63, k=7 and d=33.
This code was found by Heurico 1.16 in 0.279 seconds.