Hard · 64 cells · about 11 min
Hidato Puzzle #161
Fill every empty cell of this 8×8 honeycomb with the numbers 1 to 64 so that consecutive numbers always touch. 18 cells are filled in for you. Solve it below, or print it and work on paper.
Download printable PDF2 pages · puzzle and solution · A4 and Letter
Tap a cell, then tap the number to place it.
Where to start
This board has 3 openings where only a single route is possible, so those numbers are forced:
- The 57 in row 1 and the 64 in row 2 are exactly 7 steps apart, and only one 7-step route connects them — so 58, 59, 60, 61, 62 and 63 are forced.
- The 25 in row 8 and the 27 in row 6 are exactly 2 steps apart, and only one 2-step route connects them — so 26 is forced.
- The 30 in row 4 and the 32 in row 2 are exactly 2 steps apart, and only one 2-step route connects them — so 31 is forced.
This puzzle at a glance
| Difficulty | Hard |
|---|---|
| Numbers to place | 1 – 64 |
| Grid | 8 × 8 honeycomb |
| Starting clues | 18 (28% of the board) |
| Longest gap between clues | 6 numbers |
| Typical solve time | about 11 minutes |
Solution
Only open this once you have had a proper go.