No. XV.—SQUARING ANOTHER YEAR
The following square of numbers is interesting in connection with the year 1906.
| A | B | C | D |
| 476 | 469 | 477 | 484 |
| E | F | G | H |
| 483 | 478 | 470 | 475 |
| I | J | K | L |
| 471 | 474 | 482 | 479 |
| M | N | O | P |
| 480 | 481 | 473 | 472 |
| Add | the rows | — | ABCD, EFGH, IJKL, MNOP. |
| or | the squares | — | ABEF, CDGH, IJMN, KLOP. |
| or | semi-diagonals | — | AFIN, BEJM, CHKP, DGLO, |
| AFCH, BEGD, INKP, MJOL. |
and the sum, in every case, is 1906.
No. XVI.—MANIFOLD MAGIC SQUARES
Here is quite a curious nest of clustered Magic Squares, which is worth preserving:—
| 2 | 13 | 24 | 10 | 16 | 2 | 13 | 24 | 10 | 16 | 2 |
| 9 | 20 | 1 | 12 | 23 | 9 | 20 | 1 | 12 | 23 | 9 |
| 11 | 22 | 8 | 19 | 5 | 11 | 22 | 8 | 19 | 5 | 11 |
| 18 | 4 | 15 | 21 | 7 | 18 | 4 | 15 | 21 | 7 | 18 |
| 25 | 6 | 17 | 3 | 14 | 25 | 6 | 17 | 3 | 14 | 25 |
| 2 | 13 | 24 | 10 | 16 | 2 | 13 | 24 | 10 | 16 | 2 |
| 9 | 20 | 1 | 12 | 23 | 9 | 20 | 1 | 12 | 23 | 9 |
| 11 | 22 | 8 | 19 | 5 | 11 | 22 | 8 | 19 | 5 | 11 |
| 18 | 4 | 15 | 21 | 7 | 18 | 4 | 15 | 21 | 7 | 18 |
| 25 | 6 | 17 | 3 | 14 | 25 | 6 | 17 | 3 | 14 | 25 |
| 2 | 13 | 24 | 10 | 16 | 2 | 13 | 24 | 10 | 16 | 2 |
| 9 | 20 | 1 | 12 | 23 | 9 | 20 | 1 | 12 | 23 | 9 |
| 11 | 22 | 8 | 19 | 5 | 11 | 22 | 8 | 19 | 5 | 11 |
Every square of every possible combination of 25 of these numbers in their cells, such as the two with darker borders, is a perfect Magic Square, with rows, columns, and diagonals that add up in all cases to 65.