C111123313121111121111331333133313331323231333133313331333131133132313232111221   >>    C11112331312111112111133133313331333132323133313331333133313113313231323211122   <<    C111123313121111121111331333133313331323231333133313331333131133132313232111223   >>      C111123313121111121111331333133313331323231333133313331333131133132313232111222   >>