Oddball
(Published on 21. June 2021, 13:43 by apiyo)
Normal Sudoku rules, Palindrome rules, Odd cell rules, Kropki rules (no negative constraint) and Little Killer rules:
- Each row, column and box must contain the digits 1-9.
- Digits along a thick grey line must form a palindrome.
- Cells with a grey circle must contain an odd digit.
- Digits connected by a white dot are consecutive. Digits connected by a black dot have a ratio of 2:1.
- Numbers outside the grid are the sum of the digits along their diagonal.
*Odd* Knight's constraint: Odd digits may not be placed a Knight's move apart from each other.
To avoid confusion, there are no thermos in this puzzle. The circles in Row 5 Columns 1 and 9 represent odd digits.
Puzzle link: https://f-puzzles.com/?id=yz65z8hk
Solution code: Row 1 followed by Row 9 (18 digits)
Comments
on 13. July 2021, 08:41 by timp1343
I enjoyed this one a lot, once I found the right line everything clicked.
on 23. June 2021, 21:57 by steelwool
Liked it, but I didn't appreciate quite the right approach initially. Still needs a bit of careful thought, but very interesting and satisfying to persevere with.
Thanks.
on 21. June 2021, 17:37 by SirWoezel
Another great puzzle. Well set
