Other examples of magic squares. In those 4×4 and 5×5 you can also add all the "diagonals", that is also 7+6+10+12 and 5+23+16+14+7, in those 3×3 only the main diagonals.
1 14 7 12 15 4 9 6 10 5 16 3 8 11 2 13 |
1 7 13 19 25 14 20 21 2 8 22 3 9 15 16 10 11 17 23 4 18 24 5 6 12 |
8 3 4 1 5 9 6 7 2 |
1 -4 3 2 0 -2 -3 4 -1 |
The checks made with this calculator:
