The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  3  1  3  1  1  1  1  1  3  1  1  1  1  1  3  3  1  3  1  3  1  1  1  1
 0  3  0  0  0  0  0  0  0  0  0  0  0  0  3  6  6  3  6  6  6  0  3  3  3  6  3  3  6  3  6  0  6  0  3  6  0  3  6  0  6  6  3  6  6  3  0  6  0  3  6  0  6  3  6  3  0  6
 0  0  3  0  0  0  0  0  0  0  0  3  6  6  6  6  0  3  3  6  3  6  0  3  3  0  3  0  3  0  6  6  0  6  6  0  3  6  0  3  3  6  3  0  3  6  0  0  3  6  3  0  0  3  3  3  6  0
 0  0  0  3  0  0  0  0  3  6  6  6  0  0  3  0  3  6  6  0  3  0  6  3  0  0  3  6  3  0  3  6  0  0  0  6  6  3  3  6  3  6  0  3  6  0  3  6  3  6  6  3  6  3  3  6  3  0
 0  0  0  0  3  0  0  3  6  0  6  0  0  6  6  3  3  3  0  6  6  6  3  6  3  3  3  0  0  6  3  0  0  3  3  0  6  3  3  3  6  3  3  3  6  6  6  3  0  3  3  3  0  0  0  3  0  3
 0  0  0  0  0  3  0  6  6  3  0  6  6  6  6  6  6  0  0  0  6  3  0  3  0  6  3  0  0  6  3  3  0  0  6  6  6  0  3  3  0  6  3  6  3  0  3  0  3  3  6  3  0  6  6  3  6  3
 0  0  0  0  0  0  3  6  6  6  6  6  6  3  3  3  0  6  3  6  6  6  3  0  6  6  3  3  3  6  3  3  3  3  6  3  3  6  3  0  6  3  0  6  0  6  3  6  6  3  3  6  6  3  3  3  0  0

generates a code of length 58 over Z9 who´s minimum homogenous weight is 99.

Homogenous weight enumerator: w(x)=1x^0+86x^99+178x^102+254x^105+364x^108+818x^111+1266x^114+1588x^117+1056x^120+432x^123+182x^126+122x^129+82x^132+64x^135+40x^138+18x^141+8x^144+2x^153

The gray image is a code over GF(3) with n=174, k=8 and d=99.
This code was found by Heurico 1.16 in 1.19 seconds.