The generator matrix

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

generates a code of length 73 over Z9 who´s minimum homogenous weight is 143.

Homogenous weight enumerator: w(x)=1x^0+246x^143+148x^144+138x^146+46x^147+36x^149+30x^152+40x^153+18x^155+4x^156+12x^161+6x^164+4x^165

The gray image is a code over GF(3) with n=219, k=6 and d=143.
This code was found by Heurico 1.16 in 12.6 seconds.