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Set T_03 Puzzle 50 -- VH+

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Sat Apr 11, 2009 8:21 am    Post subject: Set T_03 Puzzle 50 -- VH+ Reply with quote
Code:
 +-----------------------+
 | 1 . . | . 4 9 | . . . |
 | . 2 . | 1 8 . | 9 . . |
 | . . . | 7 . . | . . 8 |
 |-------+-------+-------|
 | . 3 1 | . 2 8 | 6 . . |
 | 7 9 . | 4 3 . | . . 2 |
 | 2 . . | 5 . . | . 9 . |
 |-------+-------+-------|
 | . 1 . | 2 . . | 5 . 9 |
 | . . . | . . 1 | . 2 . |
 | . . 2 | . 9 . | 3 . . |
 +-----------------------+

Play this puzzle online at the Daily Sudoku site

Code:
   c8b9  Locked Candidate 1              <> 8    [r5c8]
   c1b7  Locked Candidate 2              <> 8    [r7c3],[r8c23]
 r8      Naked  Triple                   <> 456  [r8c134]

         XY-Wing  [r8c5]/[r8c9]+[r9c6]   <> 4    [r9c8]

 r9      Naked  Pair                     <> 68   [r9c1]
   c1    Naked  Pair                     <> 45   [r237c1]

         XY-Wing  [r2c6]/[r2c1]+[r3c5]   <> 6    [r3c123]

         2-String Kite   r8c1            <> 4    [r4c9]          extraneous
         Empty Rectangle c7b1            <> 4    [r6c3]          extraneous

         Skyscraper      r39c8           <> 6    [r1c4],[r8c5]
         Empty Rectangle c5b9            <> 6    [r3c8]          extraneous
         Empty Rectangle r3b8            <> 6    [r9c8]          extraneous

         UR Type 1 [r38c13]              <> 39   [r3c3]


Last edited by daj95376 on Sat Apr 18, 2009 3:26 pm; edited 1 time in total
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storm_norm



Joined: 18 Oct 2007
Posts: 1741
PostPosted: Wed Apr 15, 2009 7:38 am    Post subject: Reply with quote
Code:
.---------------------.---------------------.---------------------.
| 1      568    35678 | 36     4      9     | 2      3567   567   |
| 3456   2      34567 | 1      8      35    | 9      34567  4567  |
| 34569  456    34569 | 7      56     2     | 14     13456  8     |
:---------------------+---------------------+---------------------:
| 45     3      1     | 9      2      8     | 6      457    457   |
| 7      9      58    | 4      3      6     | 18     15     2     |
| 2      468    468   | 5      1      7     | 48     9      3     |
:---------------------+---------------------+---------------------:
| 3468   1      346   | 2      7      34    | 5      468    9     |
| 389    456    39    | 38     56     1     | 7      2      46    |
| 4568   7      2     | 68     9      45    | 3      468    1     |
'---------------------'---------------------'---------------------'

xy-wing {4,5,6}
xy-wing {3,5,6}
xy-chain - 45-51-18-85 removes 5 from r123c3
UR {3,9}
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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
PostPosted: Thu Apr 16, 2009 11:41 pm    Post subject: Reply with quote
I wandered around on this puzzle.
a xy-wing 456,
Kraken x-wing 4,
multi-coloring 5,
coloring 6,
kite 4,
kite 5,
xy-wing 356,
Type 1 UR 39.

Fun stuff ..........

Ted
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Sun Apr 19, 2009 3:40 am    Post subject: Reply with quote
XY, three ERs, W-Wing, then used twice again with pincer transport and the UR on 39.
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