The generator matrix

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

generates a code of length 72 over Z9 who´s minimum homogenous weight is 141.

Homogenous weight enumerator: w(x)=1x^0+300x^141+282x^144+78x^147+6x^150+30x^153+12x^156+20x^162

The gray image is a code over GF(3) with n=216, k=6 and d=141.
This code was found by Heurico 1.16 in 0.0553 seconds.