Henry Ernest Dudeney/Puzzles and Curious Problems/260 - Stepping Stones/Solution

by : $260$

 * Stepping Stones

Solution
Number the stones as follows:


 * Dudeney-Puzzles-and-Curious-Problems-260-solution.png

Then go:


 * $1$, $(\text {bank})$, $1$, $2$, $3$, $(2)$, $3$, $4$, $5$, $(4)$, $5$, $6$, $7$, $(6)$, $7$, $8$, $\text {bank}$, $(8)$, $\text {bank}$

which takes $19$ steps.

Those in brackets are backward steps.