The generator matrix

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

generates a code of length 48 over Z9 who´s minimum homogenous weight is 84.

Homogenous weight enumerator: w(x)=1x^0+474x^84+1510x^87+2552x^90+3102x^93+4044x^96+3624x^99+2672x^102+1328x^105+262x^108+62x^111+28x^114+12x^117+8x^120+2x^123+2x^126

The gray image is a code over GF(3) with n=144, k=9 and d=84.
This code was found by Heurico 1.16 in 20.8 seconds.