To provide a device to reconfigure multi-level logic networks, which enable logic modification and reconfiguration of a multi-level logic network with small circuit area and low-power dissipation in a simple manner. A first image is obtained using a first partial k-space frame of the target region. The weighting device may be a solid, a granulate or a liquid and of such consistency as to flow to the lowest point of the racquet. For example, slides from a presentation on a similar topic may be identified and included by a user as a potential source of information to be used by other users. The drive strip and panel remain together as they break away from the track. A resilient foot pad is attached to a bottom of the foot.