Modulo Magic
(Published on 20. February 2025, 00:44 by ebiggie)
RULE SET:
Normal Sudoku rules apply. Place the digits 1 through 9 in each row, column, and box.
MODULO-3 LINES: The grey lines are modulo-3. Any set of three sequential cells along a grey line must contain a complete set of residues modulo-3: one digit from (1,4,7), one from (2,5,8), one from (3,6,9).
KROPKI: Black dots are a 1:2 ratio. White dots are consecutive. Not all dots are given.
X-PAIRS. Cells separated by a "X" must equal to 10. Not all X-pairs are given.
Click the Link to Play: Sudokupad
Solution code: Please provide the digits from column 3 (top to bottom):
Comments
on 3. March 2025, 22:17 by Lovejoy
A combination of kropki dot, colouring and placing a digit hid the end of one of the modulo lines and had me completely flumoxed for a good while.....
on 21. February 2025, 16:59 by 9Rookienumbers
Brilliant, thanks!
on 21. February 2025, 16:34 by AnebodaSlatorp
Really clever interactions
on 20. February 2025, 14:46 by anyeyeball
Very nice modular lines puzzle. Thanks!
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You're very welcome anyeyeball, and Thank you for your nice comment :)
