Screen Shots of Montanalyzer
Beginning a game we want to move the 5 of clubs. To do that we need to move the 8 of clubs.
Pressing "Extend" extends the path one step. Now we need to move the 3 of spades.
The 3 of spades plays to a blank place. The path turns green, and playable.
After playing the path
We follow the path from the King of hearts and find it works.
After that 9-step path has been played.