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

generates a code of length 99 over Z3[X]/(X^2) who´s minimum homogenous weight is 180.

Homogenous weight enumerator: w(x)=1x^0+124x^180+198x^183+6x^184+244x^186+60x^187+230x^189+282x^190+184x^192+636x^193+194x^195+924x^196+158x^198+1146x^199+130x^201+870x^202+140x^204+366x^205+94x^207+84x^208+90x^210+90x^213+86x^216+62x^219+56x^222+30x^225+32x^228+26x^231+6x^234+6x^237+4x^240+2x^267

The gray image is a linear code over GF(3) with n=297, k=8 and d=180.
This code was found by Heurico 1.16 in 33.7 seconds.