C3123121111331312121111331311331333133313232233131133132212313231   >>    C312312111133131212111133131133133313331323223313113313221231323   <<    C3123121111331312121111331311331333133313232233131133132212313233   >>      C3123121111331312121111331311331333133313232233131133132212313232   >>