C3213322333133313113313221211113313331333132313231333131212132323113122221   >>    C321332233313331311331322121111331333133313231323133313121213232311312222   <<    C3213322333133313113313221211113313331333132313231333131212132323113122223   >>      C3213322333133313113313221211113313331333132313231333131212132323113122222   >>