C312312111111331312111133133313121111133313113313232213331311331322333132321   >>    C31231211111133131211113313331312111113331311331323221333131133132233313232   <<    C312312111111331312111133133313121111133313113313232213331311331322333132323   >>      C312312111111331312111133133313121111133313113313232213331311331322333132322   >>