Henry Ernest Dudeney/Puzzles and Curious Problems/332 - A Bunch of Grapes/Solution

Puzzles and Curious Problems by Henry Ernest Dudeney: $332$

A Bunch of Grapes

Here is a rough conventionalized sketch of a bunch of grapes.

The puzzle is to make a copy of it with one continuous stroke of the pencil,

never lifting the pencil from the paper,

nor going over a line twice throughout.

Solution

There are various routes possible, and the diagram shows one of them.

It is absolutely necessary that you begin at $A$ and end at $B$, or the reverse.

Sources

• 1932: Henry Ernest Dudeney: Puzzles and Curious Problems ... (previous) ... (next): Solutions: $332$. -- A Bunch of Grapes
• 1968: Henry Ernest Dudeney: 536 Puzzles & Curious Problems ... (previous) ... (next): Answers: $432$. A Bunch of Grapes