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MIT Mystery Hunt Puzzle Index: Keyword Data

sun and moon (logic puzzle)

In this logic puzzle type, a grid is provided with white or black circles in some squares. You must draw a loop through all the cells so that when the loop goes through two cells of the same color in a row, it doesn't turn between them, and when it goes through two different colored circles, it turns exactly once between them, The loop may turn on a circle.


MIT Mystery Hunt 2015 Polyglot


Nikoli-style logic
Puzzle Types