Henry Ernest Dudeney/Puzzles and Curious Problems/257 - Five Lines of Four/Solution

Puzzles and Curious Problems by Henry Ernest Dudeney: $257$

Five Lines of Four

The diagram shows how ten counters may be placed on the points of the grid where the lines intersect,

so that they form five straight lines with four counters in every line.

Can you find a second way of doing this?

Solution

Also see

• $255$ - A Peg Puzzle in this collection, practically the same puzzle as this one.
• $258$ - Deploying Battleships in this collection, another similar take.

Sources

• 1932: Henry Ernest Dudeney: Puzzles and Curious Problems ... (previous) ... (next): Solutions: $257$. -- Five Lines of Four
• 1968: Henry Ernest Dudeney: 536 Puzzles & Curious Problems ... (previous) ... (next): Answers: $439$. Five Lines of Four