C222123232321333131133133313331333132313231322221231212132313231111   >>    C22212323232133313113313331333133313231323132222123121213231323111   <<    C222123232321333131133133313331333132313231322221231212132313231113   >>      C222123232321333131133133313331333132313231322221231212132313231112   >>