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The Bridge Crossing Challenge

This week’s puzzle is a brief study of network theory whose roots began with a problem that was first approached in 1735 in Köningsberg, Prussia (now Kalinigrad, Russia), In this puzzle, students attempt to draw routes that cross every bridge in a bridge puzzle once and only once.


Click here to download the directions for The Bridge Crossing Challenge.


Click the arrow below to view the solutions.

One possible solution is shown for each puzzle. In each case, there is more than one correct solution.

Bridge Crossing Solutions

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