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|Erich's Puzzle Palace; Erich Friedman|
|Each square in the grids shown contains either a person lost in the hall of mirrors, or a diagonal mirror. The numbers at the sides of the square indicate how many people can be seen from that location when looking either horizontally or vertically. The colored paths are the paths of sight. Notice that a person can be counted twice. Each puzzle below has a unique solution. Can you find it? Click on each puzzle to see the solution.|
|Levels:||Middle School (6-8), High School (9-12)|
|Math Topics:||Graph Theory, Topology|
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