C22121333132313311211113313331333132233131133133313331311331333121212111   >>    C2212133313231331121111331333133313223313113313331333131133133312121211   <<    C22121333132313311211113313331333132233131133133313331311331333121212113   >>      C22121333132313311211113313331333132233131133133313331311331333121212112   >>