NNG-switching puzzle
| January 10, 2015 10:51PM |
Your assignment is to remove the cars from the center spur in as few moves as possible.
Looking north:
Looking south, main track rerouted, cars still there:
Bruce
Looking north:
Looking south, main track rerouted, cars still there:
Bruce
| Subject | Author | Posted |
|---|---|---|
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bcp | January 10, 2015 10:51PM |
|
Andre Anderson | January 11, 2015 02:19AM |
|
bcp | January 11, 2015 09:05AM |
|
Chris Walker | January 11, 2015 02:34AM |
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Dave Peterson | January 11, 2015 08:59AM |
|
GeorgeGaskill | January 12, 2015 05:24PM |
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Casey Akin | January 11, 2015 10:09AM |
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bcp | January 11, 2015 10:37AM |
|
Etrump | January 11, 2015 08:11PM |
|
Rex Beistle | January 11, 2015 09:35PM |
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488 stops for water at Los Pinos tank on closing day Oct. 1979. Photo courtesy Don Richter
The NGDF was started by Don Richter and is currently operated in his memory by Nathan Holmes and others. Others who have contributed to the upkeep of this board are (in no particular order): Charles McCandless, Everett Lueck, Ted Wilton, Cole Adams, James Bane, John Moellmer, Jon Bentz, Linn Moedinger, lloyd lehrer, Rod Jensen, John Craft, Steven Forney, Herb Kelsey, Bill Ramaley, Russ Sperry (El Russo Loco), Josh McNeal, John West, Jim Armstrong, Bob Bergstrom, Greg Scholl, Blake Forbes Doug van Veelen and Mark Fuller.