Henry Ernest Dudeney/Puzzles and Curious Problems/292 - Conditional Magic Square

Puzzles and Curious Problems by Henry Ernest Dudeney: $292$

Conditional Magic Square

Can you form a magic square with all the columns rows, and two long diagonals, adding up alike,

with numbers $1$ to $25$ inclusive, placing only the odd numbers on the shaded squares in the diagram,

and the even numbers on the other squares?

There are a good many solutions.

Can you find one of them?

Sources

• 1932: Henry Ernest Dudeney: Puzzles and Curious Problems ... (previous) ... (next): Magic Square, Measuring, Weighing, and Packing Problems: $292$. -- Conditional Magic Square
• 1968: Henry Ernest Dudeney: 536 Puzzles & Curious Problems ... (previous) ... (next): Combinatorial & Topological Problems: Magic Square Puzzles: $392$. Conditional Magic Square