C132233133112121111331333133313331333132313231332133313113313232212231211   >>    C13223313311212111133133313331333133313231323133213331311331323221223121   <<    C132233133112121111331333133313331333132313231332133313113313232212231213   >>      C132233133112121111331333133313331333132313231332133313113313232212231212   >>