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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Fri Aug 20, 2010 7:15 am Post subject: Puzzle 10/08/20: C |
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| Code: | +-----------------------+
| . . . | 2 . 3 | . . . |
| . 3 . | . . . | 6 . 8 |
| . . . | . 6 4 | 3 . . |
|-------+-------+-------|
| 2 . . | . 8 . | . . . |
| . . 8 | 3 1 7 | . 2 . |
| 7 . 3 | . 2 5 | 8 6 . |
|-------+-------+-------|
| . 2 1 | . . 6 | 5 . 9 |
| . . . | . 3 2 | . . 6 |
| . 5 . | . . . | 2 3 . |
+-----------------------+
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Play this puzzle online at the Daily Sudoku site |
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Fri Aug 20, 2010 2:01 pm Post subject: |
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Just having fun chasing AURs
1. AUR (19)r13c18; external cell implications: (1)r1c7=(9)r8c1-(9=1)r3c1; r1c1,r3c8<>1
2. AUR (59)r13c38; external cell implications: r4c3=5, r1c9=5, r2c8=5 & r8c3=9
(5)r4c3; r1c3<>5
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(5)r1c9; r1c3<>5
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(5)r2c8-r2c5=(5)r1c5; r1c3<>5
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(9)r8c3-(9=5)r3c3; r1c3<>5
3. AUR (57)r12c59; external cell implications: (5)r34c8=(7)r1c79-(7=5)r1c5; r1c8<>5
4. 6-cell AUR (46)r159c123; internal cell implications; r1c2=8, r1c3=9, r5c1=5 & r9c3=7
(8)r1c2-(8=4)r8c2; r9c3<>4
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(9)r1c3-(9=5)r3c3-(5=4)r4c3; r9c3<>4
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(5)r5c1-(5=4)r4c3; r9c3<>4
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(7-4)r9c3; r9c3<>4
5. (5)r3c8=(5)r3c3-(5=4)r2c1-r9c1=r9c9-(4=5)r5c9; r1c9,r4c8<>5
Ted |
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peterj
Joined: 26 Mar 2010
Posts: 974
Location: London, UK
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| Posted: Fri Aug 20, 2010 6:52 pm Post subject: |
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I nearly got into trouble with one of these yesterday .. but this looks like an "almost" one-stepper..
| Quote: | Kraken/Almost ER(4) with fin (4)r9c1
ER(4) (4)r9c9=r9c3 - r4c3=r5c12 ; r5c9<>4
- or -
fin (4-6)r9c1=(6-5)r5c1=r5c9 ; r5c9=5<>4 |
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daj95376
Joined: 23 Aug 2008
Posts: 3854
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| Posted: Fri Aug 20, 2010 8:52 pm Post subject: |
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| peterj wrote: | I nearly got into trouble with one of these yesterday .. but this looks like an "almost" one-stepper..
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Thanks Peter for a one-stepper solution that I can follow!!! |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Sat Aug 21, 2010 11:41 pm Post subject: |
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X-Wing (5)
Chain, not an XY, maybe AIC; r8c3, r13c1<>9
W-Wing (45) |
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