C111123313121111121111331333133313331323132333131133133313331313213311   >>    C11112331312111112111133133313331333132313233313113313331333131321331   <<    C111123313121111121111331333133313331323132333131133133313331313213313   >>      C111123313121111121111331333133313331323132333131133133313331313213312   >>