C3123223313331322121111331333133313331333121211111333133313123313132311   >>    C312322331333132212111133133313331333133312121111133313331312331313231   <<    C3123223313331322121111331333133313331333121211111333133313123313132313   >>      C3123223313331322121111331333133313331333121211111333133313123313132312   >>