Henry Ernest Dudeney/Modern Puzzles/151 - Sinking the Fishing-Boats

by : $151$

 * Sinking the Fishing-Boats
 * There are forty-nine fishing-boats in the North Sea.
 * How could an enemy ram and sink the lot in twelve straight courses,
 * starting at $A$ and finishing up at the same place?


 * Dudeney-Modern-Puzzles-151.png