<image>Below is the timetable for the train from Nanjing to Shanghai:

(1) The train stops at _Wuxi_ for ____ minutes.
(2) Mr. Li bought a ticket from _Changzhou_ to _Shanghai_, and he must arrive at _Changzhou_ train station by ____ PM.
(3) The train takes ____ minutes to travel from _Wuxi_ to _Suzhou_.