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

generates a code of length 56 over Z9 who´s minimum homogenous weight is 99.

Homogenous weight enumerator: w(x)=1x^0+264x^99+138x^100+222x^101+738x^102+330x^103+450x^104+1290x^105+570x^106+642x^107+1644x^108+642x^109+666x^110+1798x^111+876x^112+894x^113+1934x^114+774x^115+690x^116+1586x^117+666x^118+462x^119+956x^120+306x^121+276x^122+554x^123+60x^124+72x^125+104x^126+12x^127+28x^129+20x^132+10x^135+6x^138+2x^147

The gray image is a code over GF(3) with n=168, k=9 and d=99.
This code was found by Heurico 1.16 in 6.78 seconds.