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Black Belt 243

 
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Captain Pete



Joined: 09 Jun 2007
Posts: 55
Location: Oley, PA

PostPosted: Mon Jun 11, 2007 1:12 am    Post subject: Black Belt 243 Reply with quote

After doing 242 puzzles in this book, I thought I could breeze through the rest, but this one has me stumped. I think I must be missing an easy number because none of the other puzzles require advanced techniques.
Can you help?


+---------------+-------------+-------------+
| 19 7 19 | 4 6 3 | 2 8 5 |
| 4 356 8 | 2 59 7 | 1 369 69 |
| 2 356 56 | 15 159 8 | 4 369 7 |
+---------------+-------------+-------------+
| 136 156 156 | 19 8 4 | 39 7 2 |
| 8 9 2 | 3 7 5 | 6 1 4 |
| 13 4 7 | 6 2 19 | 35 59 8 |
+---------------+-------------+-------------+
| 7 8 3 | 59 4 6 | 59 2 1 |
| 169 16 4 | 8 15 2 | 7 569 3 |
| 5 2 169 | 7 3 19 | 8 4 69 |
+---------------+-------------+-------------+
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keith



Joined: 19 Sep 2005
Posts: 3150
Location: near Detroit, Michigan, USA

PostPosted: Mon Jun 11, 2007 4:18 am    Post subject: Reply with quote

A swordfish on <1> in the rows. (Or in the columns.)

Keith
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keith



Joined: 19 Sep 2005
Posts: 3150
Location: near Detroit, Michigan, USA

PostPosted: Tue Jun 12, 2007 11:51 pm    Post subject: Reply with quote

Strong links in R169 line up in C136 and allow you to eliminate <1> in R4C1, R4C3 and R8C1.

Keith
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