C1111233131211111211113313231333133313331323331333132323132332311   >>    C111123313121111121111331323133313331333132333133313232313233231   <<    C1111233131211111211113313231333133313331323331333132323132332313   >>      C1111233131211111211113313231333133313331323331333132323132332312   >>