G21131331211331322331323132233131121133132233132321133132323213231323132331
  >>
   G2113133121133132233132313223313112113313223313232113313232321323132313233
  <<
   G21131331211331322331323132233131121133132233132321133132323213231323132333
  >>
 
 
 G21131331211331322331323132233131121133132233132321133132323213231323132332
  >>