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Pi Day Hard

 
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Ema Nymton



Joined: 17 Apr 2009
Posts: 87

PostPosted: Mon Mar 14, 2011 3:33 pm    Post subject: Pi Day Hard Reply with quote

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Code:

+--------------+--------------+--------+
| 17   6   9   | 8     17  5  | 2 3 4  |
| 1478 137 2   | 13479 147 47 | 6 5 89 |
| 458  35  348 | 349   2   6  | 7 1 89 |
+--------------+--------------+--------+
| 2    13  34  | 14A   9   8  | 5 7 6  |
| 6    9   47  | 5     47  3  | 8 2 1  |
| 17   8   5   | 17B   6   2  | 4 9 3  |
+--------------+--------------+--------+
| 3    4   6   | 2     5   9  | 1 8 7  |
| 9    257 1   | 47C   8   47 | 3 6 25 |
| 578  257 78  | 6     3   1  | 9 4 25 |
+--------------+--------------+--------+


In column 4, does the alignment of cells ABC remove the '1', '4', and '7' from r2c4?

Ema Nymton
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Marty R.



Joined: 12 Feb 2006
Posts: 5179
Location: Rochester, NY, USA

PostPosted: Mon Mar 14, 2011 3:35 pm    Post subject: Reply with quote

Yes. That is known as a naked triple and 147 is removed from all other cells in that column.
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kragzy



Joined: 01 May 2007
Posts: 112
Location: Australia

PostPosted: Mon Mar 14, 2011 10:10 pm    Post subject: Reply with quote

The same naked triple occurs in Box 2 - with the same result.
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