Rules
Place the digits 1 to 9 once each into each box. Digits may not repeat in the same row, column, or box of the grid.
Cells separated by a knight's move cannot contain the same digit.
Digits along the thermometer increase from the bulb.
Along pink lines, digits form a consecutive sequence in any order.
Along orange lines, adjacent digits differ by at least 4.
Solution code: Column 2
on 1. May 2026, 20:13 by D3M4R
Instant classic, lots of unexpected interactions
on 28. April 2026, 00:57 by Innocuous
fantastic little puzzle!
on 27. April 2026, 10:19 by mihel111
Lovely. Thx.
on 27. April 2026, 09:10 by Snookerfan
Such a clever little puzzle! Thanks
| Difficulty: | ![]() |
| Rating: | 91 % |
| Solved: | 75 times |
| Observed: | 2 times |
| ID: | 000SFT |