| A | B | C | D | E | F | |
1 | | 44 | 44 | | 66 | | |
2 | 33 | | 52 | | | 49 | |
3 | 96 | | | | 57 | | |
4 | 11 | 6 | | | | 42 | |
5 | 67 | | | | | 12 | |
6 | 4 | 48 | 71 | 62 | 98 | 38 | |
Place the numbers 1 to 36 in the 6x6 grid, in such a way that consecutive numbers cannot be adjacent in any direction (including diagonally), nor can they appear in the same row or column.
Additionally, cells which are diametrically opposite have a difference of +/- 18.
So, for example, if number
2 was in cell
1A then number
20 would be in cell
6F; if it was in
2C then
20 would be in
5D.
The small digits show the sum of the figures in the adjoining horizontal and vertical cells.
The large digits (6 and 12) are starters.
This is similar in principle to
X Marks the Spot
+---+---+---+----+---+-----+
|18 | 8 |15 |31 |21 |28 |
+---+---+---+---+---+-----+
|30 |11 | 5 |17 | 7 |19 |
+---+---+---+---+---+-----+
| 4 |34 | 9 |20 |24 |14 |
+---+---+---+---+---+-----+
|32 | 6 | 2 |27 |16 |22 |
+---+---+---+---+---+-----+
| 1 |25 |35 |23 |29 |12 |
+---+---+---+---+---+---'---+
|10 | 3 |13 |33 |26 |36 |
+---+---+---+---+---+------+