Please help me again to finish this game

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Please help me again to finish this game

Postby whiteking » Wed Jan 25, 2012 8:01 am

Sorry for disturb everyone again, but I can't really figure how to solve this game. Please give me some technique for pass this game again. Thanks in advance.

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Re: Please help me again to finish this game

Postby Smythe Dakota » Wed Jan 25, 2012 2:19 pm

Look for naked pairs, naked triples, naked quads, etc.

In this case you have a naked triple 1,6,9 in row 6 (columns 1,4,8). True, one of these is only a 1,9 and another is only a 1,6. But collectively, these three are still a 1,6,9. That means that each of the three must be a 1, a 6, or a 9. So there can be no other 1's, 6's, or 9's in row 6.

So you can eliminate 1, 6, and 9 as candidates in columns 3,5,6,7,9 of row 6. This gives you an immediate answer in column 9, and greatly reduces the possibilities in the others. Proceed from there.

Bill Smythe
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Postby Pat » Wed Jan 25, 2012 2:27 pm

Smythe Dakota wrote:a naked triple 1,6,9 in row 6

or in same row,
"hidden" trio {2,5,8}
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Re: Please help me again to finish this game

Postby whiteking » Thu Jan 26, 2012 2:00 am

Thanks again, Bill Smythe. Your technique help me a lot. Next time I will use this for solve by myself :)

Thanks Pat :)
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