The present invention discloses novel compounds which have HCV protease inhibitory activity as well as methods for preparing such compounds. The method includes sending a heartbeat message from the client to the server wherein the heartbeat message is sent at the expiration of a timer having a first time interval that is less than the first timeout duration period of the server. Some of the through passages are located at lower areas of the support units to position some of the supporting rails for supporting an appropriate lower shelf. The second door encloses the second pocket and includes a second window through which the second container can be identified. Each of a plurality of closing straps is coupled to the second side edge of the panel.