This week a combination of two variants I like. X-Sums Sudoku is a genre that works really well with Jigsaw Sudoku, so I figured it would just as well work with Toroidal Sudoku. It's a bit tricky though as it's much easier to overlook that a certain digit already appears in a region. The puzzle is probably on the harder side, but I don't think any of the logic is overly hard. It's just tricky to keep track of everything with the Toroidal regions. I did add a few clues that aren't necessary for uniqueness. But there were clues planned there to keep the symmetry, but the puzzle proved to be unqiue without needing to put any there. They don't really ruin any of the logic, just create a few shortcuts.
Recap of the last Daily League week:
Sunday:
Just One Cell Sudoku by Seungjae Kwak
Monday:
Diagonally Non-Consecutive Sudoku by Karel Tesar
Tuesday:
Arrow Sudoku by Prasanna Seshadri
Wednesday:
Skyscraper Sudo-Kurve by Bastien Vial-Jaime
Thursday:
Even-Odd Skyscraper Sudoku by Rishi Puri
Friday:
Thermo Sudoku by Tom Collyer
Rules for Sudoku
In this Sudoku some of the regions wrap around the edge of the grid. Numbers on the outside indicate the sum of the first X digits in that row or column seen from that side. X is always the first digit in that row or column seen from that side.
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