C3213322333133313113313221211113313331333132313231333131212132333223223111   >>    C321332233313331311331322121111331333133313231323133313121213233322322311   <<    C3213322333133313113313221211113313331333132313231333131212132333223223113   >>      C3213322333133313113313221211113313331333132313231333131212132333223223112   >>