C11112331312111112111133133313331333132323133313331333132233131121323331   >>    C1111233131211111211113313331333133313232313331333133313223313112132333   <<    C11112331312111112111133133313331333132323133313331333132233131121323333   >>      C11112331312111112111133133313331333132323133313331333132233131121323332   >>