C13223313311212111133133313331333133313232233133313113313223323221   >>    C1322331331121211113313331333133313331323223313331311331322332322   <<    C13223313311212111133133313331333133313232233133313113313223323223   >>      C13223313311212111133133313331333133313232233133313113313223323222   >>