h( F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯F¯