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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Sun Oct 26, 2008 6:28 pm Post subject: No XY/XYZ-Wings: Set A Puzzle 2 |
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Same rules. Hopefully, it won't be excessively difficult.
| Code: | +-----------------------+
| . . . | 1 . . | . . . |
| . 1 . | . . 8 | . 5 4 |
| . . 5 | . 3 . | . . 1 |
|-------+-------+-------|
| 4 . . | . 6 1 | . . . |
| . . 1 | 5 9 . | . . 6 |
| . 9 . | 8 . 2 | . 1 . |
|-------+-------+-------|
| . . . | . . . | 5 4 . |
| . 2 . | . . 7 | 1 . 9 |
| . 5 9 | . 1 . | . 3 8 |
+-----------------------+
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nataraj
Joined: 03 Aug 2007
Posts: 1048
Location: near Vienna, Austria
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| Posted: Sun Oct 26, 2008 8:37 pm Post subject: |
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not excessively, no.
UR (27) type 1: r1c3=8
coloring (2): r1c8<>2
w-wing (6)r3c2=r9c1 (SL 7 in col 3); r123c1<>6 thus r3c2=6 |
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storm_norm
Joined: 18 Oct 2007
Posts: 1741
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| Posted: Sun Oct 26, 2008 8:59 pm Post subject: |
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| Code: | .---------------------.---------------------.---------------------.
| 23679 4 278 | 1 27 5 | 23689 2789 23 |
| 369 1 27 | 69 27 8 | 369 5 4 |
| 2679 678 5 | 469 3 469 | 2689 2789 1 |
:---------------------+---------------------+---------------------:
| 4 38 238 | 7 6 1 | 289 289 5 |
| 27 78 1 | 5 9 3 | 4 28 6 |
| 5 9 6 | 8 4 2 | 37 1 37 |
:---------------------+---------------------+---------------------:
| 1 367 37 | 269 8 69 | 5 4 27 |
| 8 2 4 | 3 5 7 | 1 6 9 |
| 67 5 9 | 246 1 46 | 27 3 8 |
'---------------------'---------------------'---------------------' |
UR on {27} r12c35
leads to
extended W-wing on {27} eliminates 2 in r1c9
(2)r1c5=(2)r2c5-(2)r2c3=(2)r4c3-(2=7)r5c1-(7)r9c1=(7)r9c7-(7=2)r7c9; r1c9 <> 2
leads to xy-chain, 27-27-28-28- which eliminates the 2 in r3c7 |
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arkietech
Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
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| Posted: Sun Oct 26, 2008 9:11 pm Post subject: |
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| I had a ur, couple of turbots and an xy-wing not difficult but too many steps. |
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daj95376
Joined: 23 Aug 2008
Posts: 3854
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| Posted: Sun Oct 26, 2008 9:15 pm Post subject: |
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| arkietech wrote: | | I had a ur, couple of turbots and an xy-wing not difficult but too many steps. |
dan: You might want to check the title of this puzzle ... and review the rules from the first puzzle in the series. |
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arkietech
Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
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| Posted: Sun Oct 26, 2008 9:21 pm Post subject: |
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| daj95376 wrote: | | arkietech wrote: | | I had a ur, couple of turbots and an xy-wing not difficult but too many steps. |
dan: You might want to check the title of this puzzle ... and review the rules from the first puzzle in the series. |
Sorry about that  I'm still looking. |
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