C132233133112121111331333133313331333132313223331211111333121221   >>    C13223313311212111133133313331333133313231322333121111133312122   <<    C132233133112121111331333133313331333132313223331211111333121223   >>      C132233133112121111331333133313331333132313223331211111333121222   >>