C13223313311212111133133313331323133313331323113313113313233313113313331121211   >>    C1322331331121211113313331333132313331333132311331311331323331311331333112121   <<    C13223313311212111133133313331323133313331323113313113313233313113313331121213   >>      C13223313311212111133133313331323133313331323113313113313233313113313331121212   >>