In the following items, each passage consists of six sentences. The first sentence (S1) and the final sentence (S6) are given. The middle four sentences in each have been removed and jumbled up. These are labelled P, Q, R and S. You are required to find out the proper sequence of the four sentences and mark accordingly on the Answer Sheet. 

S1: We were so evenly matched that for a  time the end was difficult to tell
P: Already I was counting him a dead man and myself victorious.
Q: I had only to wear him out to have him at my mercy. 
R: Presently, however there came a change. 
S: My opponent's wild living made him incapable of coping with ,a prolonged bout and his strength seemed to start ebbing away.
S6: Then his comrade's knife, thrown at me, struck him on the back and, piercing it, quite finished him.