C3123121111331312121111331311331333133313232233131133131133132321321   >>    C312312111133131212111133131133133313331323223313113313113313232132   <<    C3123121111331312121111331311331333133313232233131133131133132321323   >>      C3123121111331312121111331311331333133313232233131133131133132321322   >>