A dependency indication is signaled within the beginning of a packet, that is, within the adjacent of a slice header to be parsed or a parameter set. The electronic program guide means comprise a server module and a number of client modules assigned to a number of remote devices, in order that upon request of any of the remote devices, the server module manages the navigation of the assigned client module within the electronic program guide information. For each missing block, the computing device retrieves one or more parity blocks from one of the storage devices and computes the missing block by applying a predefined recovery scheme to the retrieved parity blocks. The second slit has an arc shape convex in the rear direction. A synthesis block moves back and forth in the synthesis case and has a top face and an opening in the top face for a synthesis plate with a plurality of wells.