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Stewart Coffin
280 puzzles designed
Osanori Yamamoto
263 puzzles designed
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254 puzzles designed
Jean Claude Constantin
204 puzzles designed
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167 puzzles designed
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159 puzzles designed
Oskar van Deventer
152 puzzles designed
Yavuz Demirhan
129 puzzles designed
Frederic Boucher
121 puzzles designed
Alexander Magyarics
109 puzzles designed

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1,049 solved
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772 solved
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630 solved
enigma_penguin
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346 solved
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308 solved
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300 solved
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296 solved
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283 solved
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273 solved
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Instant Insanity - Frank Armbruster
Instant Insanity

Pattern / Plastic

Designer: Frank Armbruster
Maker: Parker Brothers
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Instant Insantity - Frank Armbruster
Instant Insantity

Pattern / Metal

Designer: Frank Armbruster
Maker: unknown
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