Henry Ernest Dudeney/Puzzles and Curious Problems/255 - A Peg Puzzle

by : $255$

 * A Peg Puzzle
 * The diagram represents a square board with $49$ holes in it.
 * There are $10$ pegs to be placed in the positions shown,
 * and the puzzle is to remove only $3$ of these pegs to different holes,
 * so that the ten shall form $5$ rows with $4$ pegs in every row.


 * Dudeney-Puzzles-and-Curious-Problems-255.png


 * Which three would you move, and where would you place them?