| 2005 Jun 21
| "Pythagoras 456"
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A pair of puzzles playing on the same area of number theory.
"456" especially is a very minimal puzzle!
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| "Pythagoras 555"
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| 2004 Dec 6
| "Zoo Gate"
| like Mosquito, compact but tricky
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| 2004 Sep 27
| "Cascade"
| medium difficulty
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| 2004 Aug 2
| "Mosquito"
| Lucy says it's a butterfly
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| 2004 March 29
| "The Bird"
| There are two phases to solving this one
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| 2004 February 16
| "Triple J, Y2K"
| Quite small
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| 2003 Nov 24
| "Jumble Sale"
| A very tough puzzle.
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| 2003 Oct 27
| "Neat Stack"
| Another reasonably small doable puzzle
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| 2003 May 26
| "Twelve Star"
| similar to the trick of "Six Star" - being ... ?
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| 2003 Mar 10
| "Gun Hard"
| You'll need an arsenal of mathematical tricks
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| 2003 Mar 3
| "Easy Plus"
| A nice little one for novices to tackle
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| 2003 Feb 17
| "Six Star"
| Can you work out how it came about?
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| If anyone at all can solve either "Gun Hard" or "Jumble Sale" I'll be very impressed indeed, whether it's done by mathematical insight, computer-assisted solving, or sheer determination. If you do solve one of these puzzles, please let me know how you did it, in exchange for which I will heap praise upon your efforts, and culture and gender permitting perhaps marry you.
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