C111123313121111121111331333133313331333133313331333133313232231321   >>    C11112331312111112111133133313331333133313331333133313331323223132   <<    C111123313121111121111331333133313331333133313331333133313232231323   >>      C111123313121111121111331333133313331333133313331333133313232231322   >>