C13223313311212111133133313331333133313232233131133132313232223231   >>    C1322331331121211113313331333133313331323223313113313231323222323   <<    C13223313311212111133133313331333133313232233131133132313232223233   >>      C13223313311212111133133313331333133313232233131133132313232223232   >>