A sole structure having a front section, a back section, and at least a first protruding section located at or in connection to the front section for causing at least a portion of the sole structure to be inclining in one of two transversal directions extending from an outer edge to an inner edge of the sole structure with respect to a surface on which the sole structure is located. In the variable-stage charge pump, first and second charge pumps are connected in parallel between a common input bus and a common output bus. For each of the mobile subscribers, the user information includes a first IMSI number and a first Mobile Directory Number. The inclination of a face-image area obtained by detection is detected. All of the pieces form parts of the packaged evidence.