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Timed Test For
Lights Puzzles X 3
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Sample Problem
**Light up all the squares by clicking on them.** When you click on a square, it will turn on (if it's off), or off (if it's on), as will each of the squares diagonally adjacent. [[☃ lights-puzzle 1]]
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Duration
30 seconds
60 seconds (1 minute)
120 seconds (2 minutes)
180 seconds (3 minutes)
300 seconds (5 minutes)