Office Applications and Entertainment, Magic Squares of Subtraction
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Associated Magic Squares of Subtraction (5 x 5)
Res5 = 13, Main - and Broken Diagonals sum to s5 = 65

1
24 10 7 4 18
17 12 23 6 1
21 11 13 15 5
25 20 3 14 9
8 22 19 16 2
2
20 9 3 25 14
10 18 7 24 4
11 5 13 21 15
22 2 19 8 16
12 1 23 17 6
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