The generator matrix

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

generates a code of length 22 over Z9 who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+168x^40+132x^42+114x^43+60x^45+108x^46+36x^48+66x^49+12x^51+30x^52+2x^54

The gray image is a code over GF(3) with n=66, k=6 and d=40.
This code was found by Heurico 1.16 in 0.0761 seconds.