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Squiggly VH Aug 14, 2009

 
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mm01090



Joined: 02 Nov 2007
Posts: 6

PostPosted: Fri Dec 04, 2009 6:37 pm    Post subject: Squiggly VH Aug 14, 2009 Reply with quote

Here's another I'm stuck on.

After basics and LOL, here is where I am:

[code]
+-------------------+-------------------+-------------------+
| 125789 3 12569 | 4 1256789 12578 | 59 12578 126789 |
| 157 9 8 | 2 1567 3 | 4 157 167 |
| 25789 4 3 | 1 2578 257 | 6 2579 2789 |
+-------------------+-------------------+-------------------+
| 129 5 7 | 6 3 12 | 8 129 4 |
| 4 278 12569 | 789 1256789 12578 | 59 2578 3 |
| 6 278 4 | 3 278 9 | 1 58 2578 |
+-------------------+-------------------+-------------------+
| 3 178 19 | 789 4 58 | 2 6 15789 |
| 1289 6 129 | 5 1289 4 | 7 3 1289 |
| 125789 1278 1259 | 789 12789 6 | 3 4 12789 |
+-------------------+-------------------+-------------------+

The hint places a '5' in R1C7. Can someone explain why? Hopefully I haven't missed something pretty basic.
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wapati



Joined: 10 Jun 2008
Posts: 472
Location: Brampton, Ontario, Canada.

PostPosted: Sat Dec 05, 2009 8:40 am    Post subject: Reply with quote

Code:
.---------------------------.---------------------------.---------------------------.
| 125789   3        12569   | 4        1256789  1278-5  | 59       1278-5   126789  |
| 157      9        8       | 2        1567    *3       |*4       *157      167     |
| 25789    4        3       | 1        2578    *257     |*6       *2579     2789    |
:---------------------------+---------------------------+---------------------------:
| 129      5        7       | 6        3       *12      |*8       *129      4       |
| 4        278      12569   | 789      1256789  1278-5  | 59       278-5    3       |
| 6        278      4       | 3        278     #9       |#1       #58       2578    |
:---------------------------+---------------------------+---------------------------:
| 3        178      19      | 789      4       #58      |#2       #6        15789   |
| 1289     6        129     | 5        1289    #4       |#7       #3        1289    |
| 125789   1278     1259    | 789      12789    6       | 3        4        12789   |
'---------------------------'---------------------------'---------------------------'

The 2 right-side 3X3 boxes have their 5s in only c6 and c8.

Therefore the box that includes r1c9 can only have a 5 in r1c7.
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