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No Fault Coverage (Posted on 2005-12-18) Difficulty: 2 of 5
Fifteen dominoes have been arranged in a 5x6 grid below. The '==' and '!' represent fault lines in the arrangement. A fault line is a straight line going all the way through the arrangement without hitting any of the dominoes.

Rearrange the dominoes so that there are no fault lines in the grid.

+--+--+--+--+--+--+
|     !  |  |  |  |
+--+--+  +  +  +  +
|     !  |  |  |  |
+==+==+==+==+==+==+
|  |  !  |     |  |
+  +  +  +--+--+  +
|  |  !  |     |  |
+==+==+==+==+==+==+
|     !     |     |
+--+--+--+--+--+--+

See The Solution Submitted by Brian Smith    
Rating: 3.0000 (2 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
Question What about this, Brian? Comment 2 of 2 |

Brian, with your permission:

What about to prove that there is no 6x6 similar grid without a fault line?

Edited on December 19, 2005, 10:21 am
  Posted by pcbouhid on 2005-12-19 08:02:10

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