,@@,@@,,,,                                          ,,,,,@@@@@
@,@@,@,,,@                                          ,,,,@,,,,@
@@,@@@,,@@                                          ,,,@@,,,@,
,@@,,@,@,,                                          ,,@,@,,@@@
@,@,@@@@,@                                          ,@@@@,@,,@
@@@@,,,@@,                   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!        @,@@@,,@,,
@,,,,,,@,@                                          @@,,@,@@,@
@,,,,,@@@,                                          ,@,@@@,@@,
@,,,,@,,@@                                          @@@,,@@,@@
@,,,@@,@,,                                          ,,@,@,@@,,
@,,@,@@@,@                                          ,@@@@@,@,@
@,@@@,,@@@                                          @,,,,@@@@,