The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+206x^48+156x^49+324x^50+658x^51+222x^52+228x^53+838x^54+450x^55+300x^56+826x^57+348x^58+372x^59+708x^60+174x^61+204x^62+358x^63+108x^64+24x^65+48x^66+6x^68+2x^69

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 0.257 seconds.