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Button puzzle (Posted on 2006-10-13) Difficulty: 2 of 5
There are six buttons in a row. Each button shows an arrow pointing left (L) or right (R). When you press a button, all buttons in the direction of its arrow (not including itself) rotate 180 degrees.

Find the least number of button presses required to get from RRRLLL to LRLRLR.

  Submitted by Tristan    
Rating: 4.0000 (1 votes)
Solution: (Hide)
Four presses are required. One such solution is to press the following buttons in order, where the buttons are numbered from left to right:
2, 5, 1, 5

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Questionre: 3 moves i gotCharlie2006-10-15 17:20:39
3 moves i gotsachin2006-10-15 04:09:57
re: Question / ClarificationTristan2006-10-13 13:54:27
SolutionAll the ways using the least pressesCharlie2006-10-13 11:10:45
Some ThoughtsLeast?Dej Mar2006-10-13 08:03:23
QuestionQuestion / ClarificationLarry2006-10-13 07:47:58
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