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Log in| Search found 4 matches |
| Author | Message |
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 Topic: Sep 29 - Logic behind an elimination? |
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| blackwood Replies: 5 Views: 42769 |
 Forum: Daily Sudoku puzzles Posted: Mon Oct 02, 2006 2:32 pm Subject: Sep 29 - Logic behind an elimination? |
| I'm not familiar with "finned" x-wings. does the logic you expained work because the "finned" part of the x-wing is in the same box as part of the x-wing or would it still apply even if they where in ... | |
| Topic: Sep 29 - Logic behind an elimination? |
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| blackwood Replies: 5 Views: 42769 |
Forum: Daily Sudoku puzzles Posted: Fri Sep 29, 2006 6:11 pm Subject: Sep 29 - Logic behind an elimination? |
| Ok, I hate it when these puzzles humble us. I looked all over for x-wings, swordfish, unique rectangles, and remote pairs. I've been staring at it too long... :shock: I just missed that x-wing, eve ... |
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| Topic: Sep 29 - Logic behind an elimination? |
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| blackwood Replies: 5 Views: 42769 |
Forum: Daily Sudoku puzzles Posted: Fri Sep 29, 2006 5:34 pm Subject: Sep 29 - Logic behind an elimination? |
| Basic moves got me to the point shown below. While looking at the 7's I noticed that no matter where the 7 was in block 5, (r5c5 or r6c6) the 7 in block 6 would end up in r4c9. (The highlighted square ... | |
| Topic: September 12 Very hard |
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| blackwood Replies: 23 Views: 130162 |
Forum: Daily Sudoku puzzles Posted: Tue Sep 12, 2006 5:51 pm Subject: September 12 Very hard |
| There is a hidden set {5,6} in R3C8 and R7C8. This then leaves the 4 in R3C6 as the only 4 for R3. (A pinned square) Blackwood |
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