## Need help with this one...

Advanced methods and approaches for solving Sudoku puzzles

### Need help with this one...

Im stuck!

**7 9** **3
*39 **6 752
1** *37 *94

*** *7* **9
6*3 *** 4*8
9** *4* ***

7** *2* **6
21* 76* 9*5
3** **8 2**

What is the next step?
johlin

Posts: 7
Joined: 14 June 2005

have a good look at box 5 - you should spot a pair. this should allow you to place a number in box 8
Arnie

Posts: 49
Joined: 19 May 2005

### ...

Im new here... What do you mean with "pair"? And box number 5 is the on in the middle? I guess they are numbered 1 to 9 like

123
456
789

?
johlin

Posts: 7
Joined: 14 June 2005

Yep - have at look at the following for basic terms:

http://forum.enjoysudoku.com/viewtopic.php?t=2

Animator has recently described "pairs" in another post:

http://forum.enjoysudoku.com/viewtopic.php?t=496

So, look at box 5 and find 2 cells that can only have 2 numbers....this means there cannot be any other numbers in those cells....

Once you have found these 2 numbers/cells, look to see where the other numbers can go.....
Arnie

Posts: 49
Joined: 19 May 2005

### Cant believe...

...Im stuck this far...

**7 98* 613
839 416 752
16* *37 894

**1 *7* **9
6*3 *91 4*8
9** *4* **1

754 329 186
218 764 935
396 158 247

What is the next step?

Btw thx for the other clue.. it helped a lot. =)
johlin

Posts: 7
Joined: 14 June 2005

you need to study boxes 4 and 6. You should look carefully where one particular number may be in these boxes and then you should be able to place a number in r5c4...
Arnie

Posts: 49
Joined: 19 May 2005

### ooooh...

How COULD i miss that... think I was too concentrated :P. Thx for helping me solve my first but not last, sudoku.
johlin

Posts: 7
Joined: 14 June 2005