If "preparing a paper" refers to completing in-game documentation (such as an required after violating traffic rules) or just mastering the route, consider these core mechanics:
The request "subway-simulator-plaza — prepare a paper" appears to refer to the station or related missions in the game Subway Simulator 3D . In the game, players manage a career as a train driver, navigating through various realistic prototypes of real-world stations. Overview of Central Plaza in Subway Simulator 3D subway-simulator-plaza
Missions involving this station typically require precise speed management and timed station stops to avoid fines. Preparing for a "Paper" or Mission Report If "preparing a paper" refers to completing in-game