tough one...

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tough one...

Postby monkey » Sun Aug 28, 2005 3:34 pm

I have come to a halt with this one and would appreciate a hint with the next move (and explanation why)

original puzzle:
xx2|6xx|xxx
x7x|1xx|xxx
5xx|xxx|x63
--------------
xx4|3xx|x9x
x91|x2x|37x
x3x|xx8|2xx
--------------
72x|xxx|xx8
xxx|xx3|x5x
xxx|xx9|4xx

this is how far I have got:
xx2|6xx|xxx
x76|1xx|5xx
5xx|xxx|x63
--------------
254|3xx|89x
891|x2x|37x
637|9x8|2xx
--------------
72x|xxx|9x8
xxx|xx3|65x
16x|xx9|4xx

Any ideas ?
:(
monkey
 
Posts: 13
Joined: 10 August 2005

Postby george-no1 » Sun Aug 28, 2005 3:45 pm

Locked candidates in box 3 means you can make a placement at r2c6.

If you need any more help, just say.

G:)
george-no1
 
Posts: 150
Joined: 20 May 2005

Postby monkey » Sun Aug 28, 2005 3:58 pm

Sorry george-no1,

I am not sure that I follow. r2c6 can either be a 2 or a 4:?:
monkey
 
Posts: 13
Joined: 10 August 2005

Postby Doyle » Sun Aug 28, 2005 4:09 pm

George is correct. It can't be one of those two numbers you mentioned in r2c6, because of the situation in box 3.
Doyle
 
Posts: 61
Joined: 11 July 2005

Postby monkey » Sun Aug 28, 2005 5:09 pm

Got it !

r2c6 has to be 4 because the 2 has to go in box 3 on row 2

is that right ?
monkey
 
Posts: 13
Joined: 10 August 2005

Postby monkey » Sun Aug 28, 2005 5:17 pm

thanks george and doyle,

that was the key that unlocked the rest of the puzzle.

:)
monkey
 
Posts: 13
Joined: 10 August 2005

Postby Doyle » Sun Aug 28, 2005 5:51 pm

Glad you got it.
Doyle
 
Posts: 61
Joined: 11 July 2005

Postby george-no1 » Sun Aug 28, 2005 6:47 pm

Yes, it's nice when one small thing completely opens up the puzzle. What rating was it, just out of curiosity?

G:)
george-no1
 
Posts: 150
Joined: 20 May 2005

Postby monkey » Sun Aug 28, 2005 8:14 pm

It was rated "EVIL" and was from websudoku.com. I only do evil ones now because they are the most challenging.:D
monkey
 
Posts: 13
Joined: 10 August 2005


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