C111123313121111121111331323133313331333132333133313331333111112311   >>    C11112331312111112111133132313331333133313233313331333133311111231   <<    C111123313121111121111331323133313331333132333133313331333111112313   >>      C111123313121111121111331323133313331333132333133313331333111112312   >>