C132233133112121111331333133313331333131213231323132313232213111   >>    C13223313311212111133133313331333133313121323132313231323221311   <<    C132233133112121111331333133313331333131213231323132313232213113   >>      C132233133112121111331333133313331333131213231323132313232213112   >>