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Curvy Copter algs

cuBerBruce

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Joined
Oct 8, 2006
Messages
914
Location
Malden, MA, USA
WCA
2006NORS01
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I just found a "two-phase" solution for superflip - only 32 moves!

Phase 1 (Double X-Cross):
DF DB DL FL DF BL DB DL DR FL DF FL BL DB BL DL

Phase 2 (Rest of Cube):
UF UB UR FR UF BR UB UL UR FR UF FR BR UB BR UR

I note that phase 2 is essentially the same maneuver as phase 1, only applied at a different angle.
 

mrCage

Member
Joined
Jun 17, 2006
Messages
655
An improved 2-flip using jumbling:

UF+ FR UF FR UF FR UF++
UR FR UF UR UF FR UR (14 turns)

I am very sure this is optimal. But I have no idea how to prove it ...

Per : D
 

rokicki

Member
Joined
Oct 31, 2008
Messages
301
Using twsearch, I've found a 32-move superflip, and also proved there is no 30-move superflip (ignoring
jumbling moves).

UL UB UF FL UR UB BR DL FR DF UL UF FL DL UR UL DR BR UB DB UR FL UF BL DR DF BR DL DF DB DR DB


This is a good candidate for a non-jumbling antipode on this puzzle; I know of no position at a higher distance.
 

rokicki

Member
Joined
Oct 31, 2008
Messages
301
Oops; a related sequence was already found nine years ago by cuBerBruce two posts up. My apologies. But I did at least show that there is no 30-move non-jumbling superflip on the curvy copter.
 
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