The generator matrix

 1  0  1  1  1  1  1  0  1  1  1  0  1  1  1  0  X  1  1  1  1  0  1  1  1  1  0  1  1  1 2X  1  1  1  1  1  1  1  0  1  1  1  1  1  1  1  1  1  1  X 2X  1  1  1  X  1  1  1
 0  1  1  2  0  1  2  1  0 2X+1  2  1  0 X+1  2  1  1 2X+1  2  0 X+2  1  2 2X+1  0 X+1  1 2X+2  0 2X+1  1  2  X  X  2 2X+1  1  X  1  1  1  X  X X+1 2X  1  X  1 X+2  1  1 2X+1  1 2X+1  1  X  2  0
 0  0 2X  0  0  0  0  0  0  0  0  0  0  X  X 2X 2X  X 2X 2X  X 2X  0  X  X 2X  X  0  X 2X  X 2X  0 2X  0  X  0 2X  X  0  X  0 2X  0 2X  0  X  0 2X 2X  X  X  0  0  X  X 2X  X
 0  0  0  X  0  0  0  0  0  0  0 2X  0  0 2X  X 2X  0 2X 2X 2X  X 2X  0 2X  0  X 2X  0  X  X  X 2X  0 2X  0  X  X  0  X 2X 2X 2X 2X  X  0  X 2X 2X  0  0  X  X 2X 2X  X 2X  X
 0  0  0  0  X  0  0  0  X 2X 2X  0  X 2X  X  0  0  X 2X 2X  0  0 2X  0  X 2X 2X  X  X  0  X  X  X  0 2X  X  0  0 2X 2X  0 2X  X  0  0  X  X  0  X  0  0 2X 2X  0 2X 2X  X  X
 0  0  0  0  0 2X  0  X 2X 2X 2X 2X  0  X 2X  0  X 2X  X 2X  X  X  0  0  X  X  X  0  0  0  X 2X  X  0  0 2X 2X  0 2X 2X 2X 2X  0  X 2X  0  0  0  X 2X  X  X  0 2X 2X  X  X  X
 0  0  0  0  0  0  X 2X 2X 2X  0 2X 2X 2X  0  X 2X  X  0  0  0  X 2X  X 2X  X  0 2X  0  0  X  0  0 2X  X 2X 2X  X 2X  X 2X  X  X 2X  0 2X  X  X 2X 2X  0 2X  0 2X  0  0  0  X

generates a code of length 58 over Z3[X]/(X^2) who´s minimum homogenous weight is 99.

Homogenous weight enumerator: w(x)=1x^0+72x^99+54x^101+248x^102+330x^104+390x^105+750x^107+602x^108+1494x^110+806x^111+2316x^113+962x^114+2820x^116+1094x^117+2592x^119+932x^120+1920x^122+700x^123+696x^125+350x^126+126x^128+170x^129+24x^131+102x^132+62x^135+56x^138+4x^141+6x^144+2x^147+2x^150

The gray image is a linear code over GF(3) with n=174, k=9 and d=99.
This code was found by Heurico 1.16 in 6.02 seconds.