The generator matrix

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

generates a code of length 28 over Z9 who´s minimum homogenous weight is 48.

Homogenous weight enumerator: w(x)=1x^0+388x^48+1132x^51+1478x^54+1582x^57+1306x^60+612x^63+46x^66+10x^69+6x^72

The gray image is a code over GF(3) with n=84, k=8 and d=48.
This code was found by Heurico 1.16 in 0.887 seconds.