The generator matrix

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

generates a code of length 87 over Z9 who´s minimum homogenous weight is 171.

Homogenous weight enumerator: w(x)=1x^0+174x^171+432x^174+54x^177+64x^180+2x^189+2x^234

The gray image is a code over GF(3) with n=261, k=6 and d=171.
This code was found by Heurico 1.16 in 0.128 seconds.