,@,@,,@@@,                                          ,@@,,,@,,@
@@@@,@,,@@                                          @,@,,@@,@@
,,,@@@,@,@                                          @@@,@,@@,,
,,@,,@@@@@                                          ,,@@@@,@,,
,@@,@,,,,,                                          ,@,,,@@@,,
@,@@@,,,,@                   RAILS                  @@,,@,,@,,
@@,,@,,,@,                                          ,@,@@,@@,@
,@,@@,,@@,                                          @@@,@@,@@,
@@@,@,@,@, @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ ,,@@,@@,@,
,,@@@@@@@,                                          ,@,@@,@@@@
,@,,,,,,@, @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @@@,@@,,,@
@@,,,,,@@@                                          ,,@@,@,,@@
,@,,,,@,,@                                          ,@,@@@,@,,
@@,,,@@,@, TRAINS  ARE  SO  CONSTRUCTED  THAT  THEY @@@,,@@@,,
,@,,@,@@@@ HAVE TO FOLLOW A SET  PATH. THIS PATH IS ,,@,@,,@,@
@@,@@@,,,@ CALLED A "RAILWAY",  WHICH IS  COMPRISED ,@@@@,@@@@
,@@,,@,,@@ OF  TWO METAL RAILS, HENCE ITS NICKNAME. @,,,@@,,,,
@,@,@@,@,,                                          @,,@,@,,,,
@@@@,@@@,@ BECAUSE  THE  LOW  FRICTION BETWEEN  THE @,@@@@,,,@
,,,@@,,@@, WHEELS OF THE TRAIN AND THE  RAIL METAL, @@,,,@,,@,
,,@,@,@,@@ THERE ARE LIMITS  FOR HOW  ACUTE A CURVE ,@,,@@,@@,
,@@@@@@@,@ CAN BE, AND EVEN  MORE  SO FOR  HOW MUCH @@,@,@@,@,
@,,,,,,@@@ THE  GROUND  UNDER  THE   RAILS  CAN  BE ,@@@@,@@@,
@,,,,,@,,@ SLOPED. THUS A RAILWAY IS  OFTEN NOT LED @,,,@@,,@@
@,,,,@@,@, ON TOP  OF HILLS, RATHER THROUGH THEM IN @,,@,@,@,,
@,,,@,@@@@ TUNNELS  (IF   THEY   ARE   LARGE),   OR @,@@@@@@,@
@,,@@@,,,@            ARTIFICIAL CHASMS.            @@,,,,,@@,
@,@,,@,,@@                                          ,@,,,,@,@@
@@@,@@,@,@ THERE  WILL BE TREES  ON THE SIDE OF THE @@,,,@@@,,
,,@@,@@@@, RAILS, BUT  NOT TOO CLOSE, OR THEY  WILL ,@,,@,,@,@
,@,@@,,,@, BE  CUT  DOWN  BY THE RAILWAY  JANITORS. @@,@@,@@@@
@@@,@,,@@, THERE  WILL  BE  PLAINS, AND  BODIES  OF ,@@,@@,,,@
,,@@@,@,@,                  WATER.                  @,@@,@,,@,
,@,,@@@@@,                                          @@,@@@,@@,
@@,@,,,,@@ TRAINS  GO BY  DAY AND BY  NIGHT.  ALONG ,@@,,@@,@,
,@@@,,,@,,      THE WAY, THERE IS INFORMATION       @,@,@,@@@@
@,,@,,@@,, SCATTERED,  OFTEN PUT  ON TOP  OF POLES, @@@@@@,,,@
@,@@,@,@,@ TO BE INTERPRETED BY  THE TRAIN DRIVERS. ,,,,,@,,@,
@@,@@@@@@@ DIFFERENT  PARTS  OF  THE  RAILWAY  HAVE ,,,,@@,@@@
,@@,,,,,,@          DIFFERENT SPEED LIMITS.         ,,,@,@@,,,
@,@,,,,,@,                                          ,,@@@,@,,,
@@@,,,,@@, SOMETIMES, TRAINS HAVE TO STOP AND  WAIT ,@,,@@@,,@
,,@,,,@,@@ FOR SOMETHING TO HAPPEN, FAR  AWAY. THIS @@,@,,@,@,
,@@,,@@@,, IS SIGNALED  BY  RED  OR  GREEN  LIGHTS. ,@@@,@@@@,
@,@,@,,@,,                                          @,,@@,,,@,
@@@@@,@@,@                 @@@@@@@@                 @,@,@,,@@@
,,,,@@,@@,                                          @@@@@,@,,,
,,,@,@@,@, MANY  PEOPLE FOLLOW THE  RAILS  BY FOOT. ,,,,@@@,,,
,,@@@,@@@@ OFTEN THIS  PROVES  TO  BE  THE  SHORTER ,,,@,,@,,,
,@,,@@,,,, PATH BETWEEN  TWO  POINTS. HOWEVER  THIS ,,@@,@@,,,
@@,@,@,,,@ IS  FROWNED  UPON,  AND   VERY  IMPOLITE ,@,@@,@,,,
,@@@@@,,@,         TOWARD THE TRAIN DRIVERS!        @@@,@@@,,@
@,,,,@,@@,                                          ,,@@,,@,@@
@,,,@@@,@@                                          ,@,@,@@@,,
@,,@,,@@,,                                          @@@@@,,@,@
@,@@,@,@,@                                          ,,,,@,@@@,
@@,@@@@@@@                                          ,,,@@@,,@@
,@@,,,,,,@                                          ,,@,,@,@,,