C3123223313331322121111331333133313331333121211113313133313232113331   >>    C312322331333132212111133133313331333133312121111331313331323211333   <<    C3123223313331322121111331333133313331333121211113313133313232113333   >>      C3123223313331322121111331333133313331333121211113313133313232113332   >>