A solution to the four glasses puzzle drawn by CMG Lee. Question marks denote glasses in either state. Ticks denote solved arrangements. Only distinct arrangements in each step is shown. In step 3, if a glass is face down (red), it is turned face up (blue); otherwise, either glass is turned face down.
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{{Information |Description=A solution to the four glasses puzzle drawn by CMG Lee. Question marks denote glasses in either state. Ticks denote solved arrangements. Only distinct arrangements in each step is shown. In step 3, if a glass is face down (red), it is turned face up (blue); otherwise, either glass is turned face down. |Source={{own}} |Date= |Author= Cmglee |Permission= |other_versions= }} Category:Recreational mathematics
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four glasses puzzle
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A solution to the four glasses puzzle drawn by CMG Lee. Question marks denote glasses in either state. Ticks denote solved arrangements. Only distinct arrangements in each step is shown. In step 3, if a glass is face down (red), it is turned face up (blue); otherwise, either glass is turned face down.