Isaacs's Iris
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Isaacs's Iris
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IPP 21 Tokyo 2001 Exchange Puzzle
| Designed By: |
Donald Knuth George Miller |
| Made By: |
George Miller |
| Category: |
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| Description | |
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A puzzle designed by George Miller based on an idea by Donald Knuth conveyed to George by Stan Isaac's
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| Goal | |
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Put the pieces together to form a disc like the iris of an eye. Once you've done that, put it together again alternating the colours. How many solutions are there for the disc? how many are there with alternating colours? Each piece has a number or a letter on it. What do those numbers represent?
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| Number of Moves: | Material: | Variants: |
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Acrylic,
Metal
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| Available From: | Number of Pieces: | Number Released: |
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| Quality: | Release Date: | Rotations Required: |
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| Material: | Retail Price (USD): |
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Acrylic,
Metal
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| Quality: | Variants: |
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| Number of Pieces: | Release Date: |
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| Available From: | More Information: |
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| Number Released: |
Official difficulty level from the designer/maker if given.
Difficulty Level:
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| Number of Moves: | Rotations Required: |
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