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Daily SudokuXV (Medium)

Monday 9th December 2019

SCORE:
[R]eset Puzzle
[S]ave Puzzle
Create [P]encil Marks
Clear Pencil Marks [X]
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SudokuXV leaderboard

How to play

SudokuXV puzzle
This is an example of a completed SudokuXV grid. A SudokuXV puzzle uses the same base rules of Sudoku, but in addition some cells will have a 'V' or a 'X' between them. In the case of a 'V', these two cells will add to 5, and in the case of a 'X', these two cells will add to 10.
If you look at this puzzle, you can see that these rules are satisfied.
SudokuXV puzzle
This is an example SudokuXV starting grid, and I have highlighted some cells that we can either fill in, or insert some pencil marks. In the topmost cell, it is linked to a '4' by a 'X' symbol. The 'X' tells us that these two cells must add to 10, so the highlighted cell must be a '6'.
Slightly lower we have another highlighted cell linked by a 'V' to a 1. These two cells must add to 5, so the highlighted cell must be a 4.
At the bottom of the puzzle we have two highlighted cells linked with a 'V'. We know these two cells must add to 5, and there's only two ways we can do that, either 1+4=5, or 2+3=5. Because of the 1s and 4s already in these two rows we know that we can't have the combination of 1 and 4 in these cells. We can then fill in the pencil marks of 2 and 3 for these two cells.
SudokuXV puzzle
This is another starting SudokuXV grid, can you fill in the highlighted cells? The set of 3 cells in the bottom right can be filled (i.e. not with pencil marks), hint: Consider the 'V' clue first, and then consider what possibilities that would leave for the 'X' clue.
This page will automatically load the puzzle for today. If you want to play a different puzzle, go to the archive page and choose your puzzle.
There are two ways to play a Sudoku puzzle, you can just use the mouse/touchscreen, or you can use the mouse and keyboard. You can switch between the two methods any time you like, and can use a combination of both.

Playing with a mouse/touchscreen.

Playing with a mouse and keyboard.

Any mistakes you make will be hilighted in red. The website will know when you have completed a puzzle and will tell you. If you have an account and are logged in, the website will remember that you have completed that puzzle. You will also take part in out leaderboards. It's free to create an account!

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