The generator matrix

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

generates a code of length 46 over Z9 who´s minimum homogenous weight is 84.

Homogenous weight enumerator: w(x)=1x^0+208x^84+394x^87+460x^90+404x^93+452x^96+182x^99+34x^102+28x^105+12x^108+2x^111+8x^114+2x^117

The gray image is a code over GF(3) with n=138, k=7 and d=84.
This code was found by Heurico 1.16 in 0.0916 seconds.