C13223313311212111133133313331333132313231323331333131211111121211   >>    C1322331331121211113313331333133313231323132333133313121111112121   <<    C13223313311212111133133313331333132313231323331333131211111121213   >>      C13223313311212111133133313331333132313231323331333131211111121212   >>