Necessity
(Eingestellt am 8. Februar 2026, 13:47 Uhr von Sotehr)
PUZZLE
Play [Necessity] on SudokuPad.
RULES
Sudoku: Normal Sudoku rules apply; place the digits 1-9 once in every row, column, and 3x3 box.
Summand Arrow: All the digits pointed at by an arrow always sum to a two-digit total. The two digits of that total (neither of which may be zero) sum to the digit on the arrow cell.
The border around the grid has been provided for note space.
Summand Arrow: All the digits pointed at by an arrow always sum to a two-digit total. The two digits of that total (neither of which may be zero) sum to the digit on the arrow cell.
The border around the grid has been provided for note space.
NOTES
Expected Difficulty: 3.5 stars
For example, if an arrow cell contains a 4, then the sum of the cells seen by that arrow must be a sum of 13, 22, or 31.
For example, if an arrow cell contains a 4, then the sum of the cells seen by that arrow must be a sum of 13, 22, or 31.
Lösungscode: Row 6.
Zuletzt geändert am 10. Februar 2026, 18:35 Uhr
Gelöst von Piff, bansalsaab, efnenu, Exigus, SKORP17, lmg131, SpringPeonies, zeniko, Felis_Timon, Neumino, EDL, marcmees, Joschua, kasperd, karlmortenlunna, Scojo, aqjhs, palpot, gdc
Kommentare
am 10. Februar 2026, 14:01 Uhr von marcmees
With basic mathematics, nice but not that hard. Enjoyed that. Thanks
am 10. Februar 2026, 00:32 Uhr von EDL
Nice and original ruleset, definitely enjoyed the solve
Thanks for the puzzle!
am 9. Februar 2026, 02:26 Uhr von SpringPeonies
Thank you for the puzzle it was very fun
am 8. Februar 2026, 20:03 Uhr von Exigus
I definately needed some notetaking. Very interesting ruleset. Thanks!
