Now this is a very interesting and rather unique Exchange Puzzle. I received the Double Vision from Allan Slocum at this year’s IPP38 in San Diego. Is it even a mechanical puzzle? Well I suppose … Continue reading Double Vision
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Now this is a very interesting and rather unique Exchange Puzzle. I received the Double Vision from Allan Slocum at this year’s IPP38 in San Diego. Is it even a mechanical puzzle? Well I suppose … Continue reading Double Vision
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