Modular Islands
(Published on 5. January 2024, 21:16 by yttrio)
This puzzle follows in the footsteps of EnTropic Islands by Paletron, as well as my previous puzzle Parity Islands.
Rules:
Normal Sudoku rules apply.
Digits are divided into three 'modular groups' defined by having the same remainder when divided by three (1/4/7, 2/5/8, and 3/6/9). A set of orthogonally connected cells all belonging to the same modular group is a 'modular island'.
A digit in a circle gives the size of the modular island that cell is in. A modular island may have any number of circles within it, and not all possible circles are necessarily given.
Solution code: Row 7
Comments
on 28. March 2024, 21:47 by ninjamunk
Absolute beauty!!!!
on 9. January 2024, 06:10 by Nordy
Extremely fun and smooth! (If you learn an implication of the rules early in your solve. Talking to you, past self)
on 7. January 2024, 23:44 by sunevora
Beautiful... it just keeps flowing!
on 6. January 2024, 03:11 by thrutch
Very nice companion to Parity Islands. Some really fun deductions to be made along the way here, and a nicely well-signposted solve path.
