C13223313311212111133133313331333133313233121333133313331333113121211   >>    C1322331331121211113313331333133313331323312133313331333133311312121   <<    C13223313311212111133133313331333133313233121333133313331333113121213   >>      C13223313311212111133133313331333133313233121333133313331333113121212   >>