SI : The young traveller gazed out into the dismal country with a face of mingled repulsion and interest. S6: He quickly restored it to his secret pocket. P : At intervals he drew from his pocket a bulky letter to which he referred, and on the margins of which he scribbled some notes. Q : It was a navy revolver of the largest size. R : From the back of his waist he produced something which one would hardly have expected to find in the possession of so mild-mannered a man. S : As he turned it slantwise to the light, the glint upon the rims of the copper shells within the drum showed that it was fully loaded. The proper sequence should be