C13223313311212111133133313331333133313231323133313331333133311331   >>    C1322331331121211113313331333133313331323132313331333133313331133   <<    C13223313311212111133133313331333133313231323133313331333133311333   >>      C13223313311212111133133313331333133313231323133313331333133311332   >>