C111123313121111121111331333133313331331121111133313331333132223311   >>    C11112331312111112111133133313331333133112111113331333133313222331   <<    C111123313121111121111331333133313331331121111133313331333132223313   >>      C111123313121111121111331333133313331331121111133313331333132223312   >>