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Fastest execution for O & W perms for 4x4?

kake123

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O perm [CW]:
M2 U' M2 U' M' U2 r2 U2 l2 Uw2 l2 Uw2 U2 M'

or

F R U R' U' F' [PLL parity] R' U' F R' F' R U R

O perm [CCW]:
M2 U M2 U M' U2 l2 U2 r2 Uw2 r2 Uw2 U2 M'

or

R' U' R' F R F' U R [PLL parity] F U R U' R' F'

W perm:
M2 U M' U2 M U l2 U2 r2 Uw2 r2 Uw2

W perm [2-gen] (which one is better?):
R2 U R' U' R2 U R U Rw2 U2 R' Rw U2 R' Rw2 U2 Rw2 U2 Rw U2 Rw2

or
R2 U R' U' R2 U R U R' Rw2 U2 R' Rw U2 Rw2 U2 Rw2 U2 Rw U2 Rw2

or
R2 U R' U' R2 U R U R' Rw2 U2 R' Rw' U2 Rw2 U2 Rw2 U2 Rw' U2 Rw2

Which O & W perm execution would be faster?
Btw, does anyone use 2-gen W perm 4x4 algs? Fingertricks for them? Are they faster?
Does anyone have any other preferred way of solving them?
 

mark49152

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mark49152
I use the <M,U> algs for W and Occw, although I find U' awkward in big cube <M,U> algs so for Ocw I have switched to doing PLL parity followed by Z perm, (U) M' U M2 U M2 U M' U2 M2.
 
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