C111123313121111121111331333133313331323132333133313113321223311   >>    C11112331312111112111133133313331333132313233313331311332122331   <<    C111123313121111121111331333133313331323132333133313113321223313   >>      C111123313121111121111331333133313331323132333133313113321223312   >>