C132233133112121111331333133313331333132313223331333132313331313232311   >>    C13223313311212111133133313331333133313231322333133313231333131323231   <<    C132233133112121111331333133313331333132313223331333132313331313232313   >>      C132233133112121111331333133313331333132313223331333132313331313232312   >>