C111123313121111121111331333133313331323132333133313331323222112312311   >>    C11112331312111112111133133313331333132313233313331333132322211231231   <<    C111123313121111121111331333133313331323132333133313331323222112312313   >>      C111123313121111121111331333133313331323132333133313331323222112312312   >>