C3123223313331322121111331333133313331333121211113313233313232313331333121   >>    C312322331333132212111133133313331333133312121111331323331323231333133312   <<    C3123223313331322121111331333133313331333121211113313233313232313331333123   >>      C3123223313331322121111331333133313331333121211113313233313232313331333122   >>