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Difficulty: 3 of 5 Latest: Eight Buttons
There are precisely eight 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.

Determine the least number of button presses required to get from RRRRLLLL to LRLRLRLR.

(No Solution Yet, 1 Comments) Submitted on 2023-03-21 by K Sengupta   
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