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nataraj
Joined: 03 Aug 2007
Posts: 1048
Location: near Vienna, Austria
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 Posted: Mon Jun 02, 2008 6:21 am Post subject: 2007 - Jan.2 VH |
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While we wait...
One from the archives. And this one is a real gem. After basics:
| Code: |
+--------------------------+--------------------------+--------------------------+
| 458 2 3458 | 6 1 58 | 39 359 7 |
| 9 357 358 | 37 4 578 | 1 2 6 |
| 57 1 6 | 9 23 257 | 8 35 4 |
+--------------------------+--------------------------+--------------------------+
| 1 4 23 | 5 23 79 | 6 79 8 |
| 578 357 2358 | 37 6 279 | 4 1 39 |
| 6 37 9 | 4 8 1 | 2 37 5 |
+--------------------------+--------------------------+--------------------------+
| 3 8 7 | 12 59 4 | 59 6 12 |
| 45 9 145 | 12 7 6 | 35 8 123 |
| 2 6 15 | 8 59 3 | 7 4 19 |
+--------------------------+--------------------------+--------------------------+
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There is NO x-wing!
One way to solve the puzzle is multi-coloring (either on 3 or on 7)
Another way would be our friend, the xy-wing (actually 2 xy-wings, both using 3,7,9 in boxes 5 and 6)
And, of course there is a UR, but that is too easy! (UR 1,2; r78c49 sets r8c9=3) |
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