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daj95376
Joined: 23 Aug 2008
Posts: 3854
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 Posted: Wed Mar 10, 2010 12:47 am Post subject: Puzzle 10/03/09 (A) BBDB as VH+ puzzle |
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Last puzzle from a file of puzzles.
| Code: | +-----------------------+
| . . . | . 1 6 | . 2 . |
| . . . | . . . | 1 . . |
| . . 1 | . . 4 | . 3 8 |
|-------+-------+-------|
| . . . | 8 . . | 3 . 1 |
| 3 . . | . . . | . 8 4 |
| 8 . 6 | . . . | 2 . . |
|-------+-------+-------|
| . 2 . | 4 . 8 | 5 1 . |
| 5 . 8 | . 9 . | 6 . . |
| . . 4 | 7 5 . | . . . |
+-----------------------+
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Play this puzzle online at the Daily Sudoku site
Last edited by daj95376 on Wed Mar 10, 2010 2:23 am; edited 1 time in total |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Wed Mar 10, 2010 2:18 am Post subject: |
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| I used my usual mishmash of steps. Three XY-Wings, one with pincer transport, an X-Wing, M-Wing with pincer transport, Type 6 UR and two simple colorings to finish. |
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arkietech
Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
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| Posted: Wed Mar 10, 2010 1:37 pm Post subject: |
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| Code: | kite 3
*-----------------------------------------------------------*
| 79 8 3579 | 359 1 6 | 4 2 59 |
| 4 359 2 | 359 8 79 | 1 57 6 |
| 6 59 1 | 259 27 4 | 79 3 8 |
|-------------------+-------------------+-------------------|
| 2 579 579 | 8 4 579 | 3 6 1 |
| 3 1 579 | 6 27 2579 | 79 8 4 |
| 8 4 6 | 19 3 179 | 2 57 59 |
|-------------------+-------------------+-------------------|
| 79 2 379 | 4 6 8 | 5 1 37 |
| 5 37 8 | 12 9 123 | 6 4 237 |
| 1 6 4 | 7 5 23 | 8 9 23 |
*-----------------------------------------------------------*
(7)- r2c6 = r2c8 - r6c8 = (7-1)r6c6 = r6c4 - (1=2)r8c4 - r3c4 = (2-7)r3c5 = (7)r5c5;
r3c5,r456c6<>7
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tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
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| Posted: Wed Mar 10, 2010 9:26 pm Post subject: |
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Two steps: a kite on three and an AIC found extending the vertex of a potential xy-wing 12-9. The chain is a variation of the one posted by Dan, where I started with the xy-wing.
(9=1)r6c4 - (1=2)r8c4 - r3c4 = (2-7)r3c5 = (7-9)r3c7 = (9)r1c9; r6c9<>9.
Ted |
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