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Puzzle 11/05/01: B Moderate (BBDB)

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Sun May 01, 2011 4:15 pm    Post subject: Puzzle 11/05/01: B Moderate (BBDB) Reply with quote
The techniques are considered "Moderate", but reaching the solution could prove to be difficult.

Warning wrote:
This puzzle has an early grouped 2-String Kite. There's also a later possibility as well.

Code:
 +-----------------------+
 | 1 . . | 7 2 . | . . . |
 | . 4 . | . 3 . | . . . |
 | . . 9 | . . . | . . 7 |
 |-------+-------+-------|
 | 6 . . | 5 . 2 | 4 9 . |
 | 2 9 . | . 4 3 | 7 . . |
 | . . . | 9 6 . | . 2 3 |
 |-------+-------+-------|
 | . . . | 6 9 . | . . 4 |
 | . . . | 3 . 7 | . . 2 |
 | . . 1 | . . 4 | 3 6 . |
 +-----------------------+

Play this puzzle online at the Daily Sudoku site
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Mon May 02, 2011 4:52 am    Post subject: Reply with quote
ER; r3c7<>1
XY-Wing (581); r2c9<>1
W-Wing (89); r8c7, r9c1<>9
XY-Chain; r9c1<>8
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