C13223313311212111133133313331333133313232233133313311232313231121111   >>    C1322331331121211113313331333133313331323223313331331123231323112111   <<    C13223313311212111133133313331333133313232233133313311232313231121113   >>      C13223313311212111133133313331333133313232233133313311232313231121112   >>