C3121113331313231323132333131313231323131323223313233313112211232322121
  >>
   C312111333131323132313233313131323132313132322331323331311221123232212
  <<
   C3121113331313231323132333131313231323131323223313233313112211232322123
  >>
 
 
 C3121113331313231323132333131313231323131323223313233313112211232322122
  >>