C13223313311212111133133313331333133313232233131133132313123231111   >>    C1322331331121211113313331333133313331323223313113313231312323111   <<    C13223313311212111133133313331333133313232233131133132313123231113   >>      C13223313311212111133133313331333133313232233131133132313123231112   >>