The first step is to rearrange the numbers to make 34 in each row, column and diagonal. You’ll see that numbers 1, 8 and 13, 7, 9, 2 stay put, while numbers 15, 5, 12, 10, 4, swapped places with numbers 11, 6, 16, 14, 3. So all you have to do is cut the square 1 along the red lines and switch pink and blue figures to form the square 2.
|square 1 |
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