C13223313311212111133133313331333132333132312111133131211113313232212111   >>    C1322331331121211113313331333133313233313231211113313121111331323221211   <<    C13223313311212111133133313331333132333132312111133131211113313232212113   >>      C13223313311212111133133313331333132333132312111133131211113313232212112   >>