C3121113331313231323132333131313231323131323223313233313232231221
  >>
   C312111333131323132313233313131323132313132322331323331323223122
  <<
   C3121113331313231323132333131313231323131323223313233313232231223
  >>
 
 
 C3121113331313231323132333131313231323131323223313233313232231222
  >>