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(Published on 29. October 2026, 01:32 by aqjhs)
TVDK kindly asked for more puzzles using Battenburg type of clues and i took the opportunity to use Phistomefel's Team Sum ruleset. Hope you like it.
- Normal Sudoku rules apply.
-
Team Sums:
- Divide the digits from 1 to 9 into two teams such that every digit from 1 to 9 is in exactly one of the two teams.
- The finished grid is divided into orthogonally connected areas which contain only digits from the same team and are bounded by digits of the other team and/or the border of the grid.
- A number clue gives the sum of all the digits in such an area. A ? stands for a digit 0-9. Clues do not have leading zeros.
- Digits may repeat in such an area and the sum clues are in an arbitrary position within the area.
- Each area has at most one clue, but may also have none at all.
- Battenburg: A 2x2 area marked with a checkerboard indicates that the teams are different for each pair of orthogonal cells in the 2x2 area. All possible checkerboard marks are given.
See also:
Solution code: Column 4, top to bottom, with a - for each change of team. (ex. 123-456-789)
Last changed on -
Solved by gdc, ChinStrap, MSDOS, Ambrose, Zzzzz..., Major314, sehringdipity, PrissyP, emoney1374, VesperV
Comments
yesterday, 03:13 by emoney1374
Great puzzle! Very fun solve!
on 29. October 2026, 16:54 by Major314
Lovely puzzle, brilliant from start to finish !
on 29. October 2026, 07:36 by MSDOS
Very nice, I had not yet solved a Team Sum, so thanks for introducing me to that rule!
