C111123313121111121111331333133313331333132232233131133131323133322231   >>    C11112331312111112111133133313331333133313223223313113313132313332223   <<    C111123313121111121111331333133313331333132232233131133131323133322233   >>      C111123313121111121111331333133313331333132232233131133131323133322232   >>