C3123121111331312121111331333133313223313232233132313331323132313123111   >>    C312312111133131212111133133313331322331323223313231333132313231312311   <<    C3123121111331312121111331333133313223313232233132313331323132313123113   >>      C3123121111331312121111331333133313223313232233132313331323132313123112   >>