A memory access operation on a bit cell of a digital memory, e. Transversely opposite end regions of the respective pleats are joined to side flaps, respectively. When leaving the bus, the student unbuckles the buckle assembly releasing the belt from the seat, folds the belt back into the belly pack and closes the belly pack. Also, the second direction is the direction among in-plane directions of the photomask that is perpendicular to the alignment direction. In some embodiments, the thermostat can effectively program itself for temperature settings that are set to occur at particular times daily or just on weekends, yet the user is not required to enter the time of day or the day of the week.