C13223313311212111133133313331333133313232233133313331323221232312111111212131   >>    C1322331331121211113313331333133313331323223313331333132322123231211111121213   <<    C13223313311212111133133313331333133313232233133313331323221232312111111212133   >>      C13223313311212111133133313331333133313232233133313331323221232312111111212132   >>