C1333231331121111331333133313331333132313223313231323133313232333132312121   >>    C133323133112111133133313331333133313231322331323132313331323233313231212   <<    C1333231331121111331333133313331333132313223313231323133313232333132312123   >>      C1333231331121111331333133313331333132313223313231323133313232333132312122   >>