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Forty-two pieces (Posted on 2005-11-30) Difficulty: 2 of 5
Forty-two pieces, numbered from 1 to 42, are disposed in a 6x7 grid, so that each pair of consecutive numbers are in cells that touch each other horizontally or vertically, not diagonally. Below, there are two partial drawings of the grid, where only 3 numbers appear, but only one of the two is correct.
+----+----+----+----+----+----+----+    +----+----+----+----+----+----+----+
|    | 11 | 20 |    |    |    |    |    |    | 11 | 20 |    |    |    |    |
+----+----+----+----+----+----+----+    +----+----+----+----+----+----+----+
|    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |
+----+----+----+----+----+----+----+    +----+----+----+----+----+----+----+
|    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |
+----+----+----+----+----+----+----+    +----+----+----+----+----+----+----+
|    |    |    |    |    |    |    |    |    | 31 |    |    |    |    |    |
+----+----+----+----+----+----+----+    +----+----+----+----+----+----+----+
|    | 31 |    |    |    |    |    |    |    |    |    |    |    |    |    |
+----+----+----+----+----+----+----+    +----+----+----+----+----+----+----+
|    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |
+----+----+----+----+----+----+----+    +----+----+----+----+----+----+----+
          (first drawing)                         (second drawing)
Justify what is the correct drawing and complete its filling.

See The Solution Submitted by pcbouhid    
Rating: 3.1429 (7 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
AnswerK Sengupta2009-03-06 04:22:32
re(3): Another Solution - what about...pcbouhid2005-12-01 15:42:35
re(2): Another Solution - how about...dopey9152005-12-01 14:51:19
re: Another Solution - how about...pcbouhid2005-12-01 13:54:57
SolutionAnother Solutiondopey9152005-12-01 12:18:26
re: alternate ans - nopcbouhid2005-12-01 11:09:02
alternate ansmarc2005-12-01 08:25:04
Solutioncheckmate (spoiler)Mindy Rodriguez2005-11-30 23:42:03
No SubjectMorgan2005-11-30 15:21:29
SolutionOne Solution - Spoilerdopey9152005-11-30 08:57:57
Some ThoughtsPartial SpolierSteve Herman2005-11-30 08:37:00
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