Puzzle 3413: Stair up and down

Author:	denisb
Date posted:	2/25/2012 9:07:44 AM
Difficulty (1..5):	1.53 (66 votes)
Popularity:	42 (48 liked, 6 disliked)
Correct solution submitted:	331

Solved by 249 players

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