C31232233133313221211113313331333133313331212111111331311331333132323132313111   >>    C3123223313331322121111331333133313331333121211111133131133133313232313231311   <<    C31232233133313221211113313331333133313331212111111331311331333132323132313113   >>      C31232233133313221211113313331333133313331212111111331311331333132323132313112   >>