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The Diagrams Book by Kevin Duncan

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20  THE GOTTSCHALDT FIGURINE

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• We finish this part with a fun diagram that has infuriated people for years.

• In the Gottschaldt Figurine, or nine-dot game, there are three rows of three dots, forming what looks like a box or square.

• The precise origin of the game is the source of some debate, but management thinker John Adair claims to have introduced the idea himself in 1969.

• The challenge is to join all the dots without taking your pen off the paper, using no more than four straight lines.

• There are various ways to solve it, and two possible solutions are on the next page – don’t look yet if you can resist it.

• The point is that, if ...

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