C13131221323331323131323132323213231323131323223313233313232213331
  >>
   C1313122132333132313132313232321323132313132322331323331323221333
  <<
   C13131221323331323131323132323213231323131323223313233313232213333
  >>
 
 
 C13131221323331323131323132323213231323131323223313233313232213332
  >>