Puzzle 2726: Up and Down

Not too easy, not too hard. Just right!

Author:	nail3728
Date posted:	2/21/2011 7:16:24 PM
Difficulty (1..5):	1.85 (40 votes)
Popularity:	25 (27 liked, 2 disliked)
Correct solution submitted:	281

Solved by 166 players

_nick (8)	0cache (8)	amikax (8)	amw1 (8)	arkangelsk1 (8)
axorion (8)	azure (8)	cowans (8)	davenger (8)	dorian_gray (8)
edsaw (8)	garfke (8)	gercho (8)	Hartz_FEAR (8)	hero (8)
kakuoh (8)	keba (8)	kraker (8)	mahlok (8)	msmanasse (8)
nanaki404 (8)	padre (8)	pento (8)	rako (8)	smylic (8)
snydej (8)	sticky (8)	terp (8)	Trango (8)	a744517 (12)
bubblehead (12)	drake7890 (12)	keyon (12)	krmularc (12)	lordKelvin (12)
mhoff (12)	polyvjk (12)	qinn (12)	shaggy12 (12)	sibtrag (12)
swiftoutlaw (12)	carrben12 (13)	dondiego2000 (13)	illmat (13)	kcbulldog (13)
mguerra (13)	plamenko (13)	RCStef (13)	sunny_rr (13)	android (14)
anton_s (14)	atzame (14)	chrigi (14)	claw (14)	elton180 (14)
goldtigress (14)	Guismo (14)	h2o2 (14)	hilbert (14)	jrhoadhouse (14)
lini (14)	maheshkundan (14)	masa (14)	masterluk (14)	milusheva (14)
mmiles (14)	MVashM (14)	OnScript (14)	paulo87 (14)	pulver (14)
sondab (14)	wuzap (14)	zcrapy (14)	0c34n1c (15)	aft999999999 (15)
alexkiro (15)	AlexSilver (15)	Angrevol (15)	antonbootsma (15)	armonddorleac (15)
arthurDent (15)	atenthehutt (15)	avarga (15)	BadWombat (15)	belenus (15)
benjaminRR (15)	bofh (15)	botulf2000 (15)	bricc (15)	broken74 (15)
corossig (15)	cristaloleg (15)	d0td0td0t (15)	dancing (15)	dannythorne (15)
daoudaou (15)	deandresmith (15)	drtidus (15)	Drunken_Poet (15)	dullerbox (15)
dwylie (15)	enes (15)	eyTns (15)	fberthold (15)	foligatto (15)
ganjidhiraj (15)	gda3 (15)	geniussavant (15)	geoff0522 (15)	gnanasenthil (15)
goulagman (15)	ivodankolov (15)	jackorobot (15)	kazma (15)	kokalishte (15)
leandrojf (15)	lendesg (15)	lumdog (15)	malathi (15)	micha314 (15)
migueljavatux (15)	Moritz10 (15)	moul (15)	mslass (15)	muzaffar (15)
nail3728 (15)	nathannau (15)	ngn_ (15)	nile18189 (15)	oferei (15)
p1xm0x (15)	peshe (15)	radooo (15)	rafoo (15)	rng_58 (15)
robomaster (15)	samoabob (15)	scathaniel (15)	sgraphic (15)	shilpa (15)
sigriest (15)	skryb (15)	snuke (15)	sravanb (15)	strobetm (15)
tasuki (15)	thaher1505 (15)	thoemmel (15)	tiyo (15)	tomna (15)
tomtom (15)	tyt343 (15)	unknown (15)	upsilon (15)	Vaati (15)
vardhan (15)	vic239tory (15)	viha (15)	vince (15)	VitalStatistic (15)
Wido (15)	xibz (15)	yossishabo (15)	zebraze (15)	Zevi (15)
zoltan (15)

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