The generator matrix

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

generates a code of length 47 over Z9 who´s minimum homogenous weight is 81.

Homogenous weight enumerator: w(x)=1x^0+46x^81+100x^84+142x^87+328x^90+658x^93+474x^96+270x^99+32x^102+56x^105+24x^108+16x^111+28x^114+4x^117+4x^120+2x^123+2x^126

The gray image is a code over GF(3) with n=141, k=7 and d=81.
This code was found by Heurico 1.16 in 0.102 seconds.