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Set T_03 Puzzle 36

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Wed Apr 08, 2009 5:01 pm    Post subject: Set T_03 Puzzle 36 Reply with quote
VH+ -- Bonus points for using the UR Type 2

Code:
 +-----------------------+
 | 9 . . | . . . | 3 . . |
 | . 3 4 | . 6 5 | . 1 . |
 | . 7 5 | 8 . . | . . . |
 |-------+-------+-------|
 | . . 1 | 4 . . | 6 . . |
 | . 4 . | . 9 . | . . 3 |
 | . 6 . | . . . | 1 . 9 |
 |-------+-------+-------|
 | 6 . . | 5 . 4 | 9 . . |
 | . 5 . | . . . | . . 4 |
 | . . . | . 2 6 | . 3 5 |
 +-----------------------+

Play this puzzle online at the Daily Sudoku site

Code:
 r1  b2  Locked Candidate 1              <> 7    [r1c9]
   c5b8  Locked Candidate 1              <> 8    [r46c5]

   c15   X-Wing                          <> 1    [r8c4]   -or-
 r19     X-Wing                          <> 1    [r8c4]

         Empty Rectangle c4b1            <> 2    [r6c1]   extraneous
         Empty Rectangle c4b7            <> 3    [r6c3]
         turbot fish/ER  r9b1            <> 8    [r2c7]

     b4  Naked  Triple                   <> 278  [r46c1]
   c1    Naked  Pair                     <> 3    [r8c1]
   c9b3  Locked Candidate 1              <> 8    [r4c9]
   c8b6  Locked Candidate 1              <> 8    [r7c8]

   c5b5  UR Type 2 [r46c15]              <> 7    [r6c4],[r78c5],[r46c6]   extraneous
   c5b5  UR Type 4 [r46c15]              <> 3    [r46c5]                  extraneous

     b5  Naked  Triple                   <> 238  [r46c5]   extraneous
   c5    cloned Triple                   <> 138  [r46c5]   extraneous

         XY-Wing  [r7c8]/[r7c2]+[r9c7]   <> 8    [r9c2]


Last edited by daj95376 on Wed Apr 15, 2009 12:37 pm; edited 1 time in total
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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
PostPosted: Thu Apr 09, 2009 3:33 pm    Post subject: Reply with quote
A BBDB challenge for me! A total of eight steps but several early steps may not have been particularly useful.
Quote:
x-wing 1,
ER 2 with hinge in box5,
ER 3 with hinge in box4,
skyscraper 8,
w-wing 27 with a finned strong link on 2 in box1,
BONUS POINTS: Type 2 UR 35 makes two deletions plus x-wing on 5 deletes the 3s,
xy-wing 378 with pseudo-cell 78 plus transport for additional deletion,
xy-wing 278

Ted
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Wed Apr 15, 2009 12:01 am    Post subject: Reply with quote
No UR for me. Kite on 2, ER on 8, and XY-Wings on 278 and 123.
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