S1: I was the secretary of the Philosophical Society of the Patna College.

S6: I have been to Kolkata many times since, but never has it been more pleasant than that first visit.

P: It was my first visit to the city and its impression on my mind was indelible.

Q: In that capacity, I once led a trip to Kolkata.

R: I felt I had landed in the midst of beautiful dream world of a fairy land.

S: I saw the roads, the trams, the skyscrapers and the magnificent shops at the Chowranghee lane.

The correct sequence should be

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