Puzzle 8990: obvious but tricky

i think i've seen this before!

Author:	csgroup11
Date posted:	11/22/2016 2:05:20 AM
Difficulty (1..5):	1.23 (26 votes)
Popularity:	17 (24 liked, 7 disliked)
Correct solution submitted:	278

Solved by 185 players

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sharpie (8)	silver (8)	swiftoutlaw (8)	twoflower (8)	ym1029sun (8)

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