C132233133112121111331333133313331333132313223331211111333123331   >>    C13223313311212111133133313331333133313231322333121111133312333   <<    C132233133112121111331333133313331333132313223331211111333123333   >>      C132233133112121111331333133313331333132313223331211111333123332   >>