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

Modern Puzzles by Henry Ernest Dudeney: $151$

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?

Also see

• Definition:Queen's Tour

Sources

• 1926: Henry Ernest Dudeney: Modern Puzzles ... (previous) ... (next): Moving Counter Problems: $151$. -- Sinking the Fishing-Boats
• 1968: Henry Ernest Dudeney: 536 Puzzles & Curious Problems ... (previous) ... (next): Combinatorial & Topological Problems: Route & Network Puzzles: $416$. Sinking the Fishing-Boats