Display devices, methods, and programs display an image on a touch panel. The invention determines whether the number of logical blocks is within a range of desired number of logical blocks and repeats the process of identifying logical blocks for different hierarchical levels of the integrated circuit design until the number of logical blocks is within the range of the desired number of logical blocks. A tamping unit and a track lifting unit are arranged on the sub-frame between the further undercarriage and the frame support. The master alters the sort of packets as instructed by the command.