C13223313311212111133133313331333133313231323133213331323113311211   >>    C1322331331121211113313331333133313331323132313321333132311331121   <<    C13223313311212111133133313331333133313231323133213331323113311213   >>      C13223313311212111133133313331333133313231323133213331323113311212   >>