The generator matrix

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

generates a code of length 46 over Z9 who´s minimum homogenous weight is 81.

Homogenous weight enumerator: w(x)=1x^0+214x^81+162x^82+164x^84+408x^85+222x^87+822x^88+454x^90+822x^91+350x^93+1122x^94+394x^96+690x^97+232x^99+312x^100+58x^102+36x^103+28x^105+38x^108+20x^111+4x^114+6x^117+2x^120

The gray image is a code over GF(3) with n=138, k=8 and d=81.
This code was found by Heurico 1.16 in 26.5 seconds.