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 Sequence Fill In (Posted on 2004-01-13)
In this puzzle, each empty square needs to be filled in with a positive integer.
Each string of adjacent squares needs to form an arithmetic sequence.
A horizontal string of squares increases from left to right.
A vertical string of squares increases from top to bottom.
```   +--+--+--+--+--+
|  |  |  |13|  |
+--+--+--+--+--+--+--+
|  |XXXXXXXX|  |39|  |
+--+XXXXXXXX+--+--+--+
|  |XXXXXXXX|44|XX|  |
+--+XXXXX+--+--+--+--+
|31|XXXXX|  |  |  |  |
+--+--+--+--+--+--+--+--+
|  |  |  |  |  |XXXXX|  |
+--+--+--+--+--+XXXXX+--+
|35|XXXXXXXX|  |XXXXX|  |
+--+XXXXXXXX+--+--+--+--+
|  |XXXXXXXX|  |78|  |  |
+--+--+--+--+--+--+--+--+
|  |49|  |  |  |
+--+--+--+--+--+
```

This is an original problem.

 See The Solution Submitted by Brian Smith Rating: 3.5000 (2 votes)

 Subject Author Date re: Not all sequences are incremental of a constant JayDeeKay 2010-02-17 14:52:00 Not all sequences are incremental of a constant Dej Mar 2006-05-06 22:23:17 A solution without "excellence" Penny 2004-01-13 17:35:09 solution (spoiler) SilverKnight 2004-01-13 13:39:48

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