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Puzzle 3146: Two-sided linked list

Green means change side, red means stay on same side.

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Author: jouni
Date posted: 10/29/2011 10:33:07 AM
Difficulty (1..5): 3.75 (8 votes)
Popularity: 9 (9 liked, 0 disliked)
Correct solution submitted: 39

 

Solved by 14 players

edsaw (18)jouni (18)keba (18)scorpio (18)shaggy12 (18)
smylic (18)sticky (18)qinn (19)Noam13 (20)ppetrov (20)
azure (21)leandrojf (22)mahlok (25)tachem113 (25)

Number of commands in the solution is shown in brackets. Shown as ? when not available.

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