The reconstruction thread

[DavidWoner]

From Andrew Ricci's avg thread, Bence originally asked why Brest didn't count rotations as moves.

That is an interestiong question, which should probably get posted in the "Random Cubing Discussion" thread or the "Reconstructions" thread.

Do you mean "you" as specifically me or "you" as everyone in general? The two biggest reasons I don't: not counting rotations as moves is how those before me have done it and [wiki]TPS[/wiki] is usually measured in [WIKI]HTM[/WIKI] or [WIKI]STM[/WIKI] which do not count rotations as turns.
Another thing is that it is sometimes difficult to correctly interpret the rotations the cuber is doing. What may look like a specific sequence of rotations on video may not be what the cuber was actually performing (if that makes sense). Then we get to the half-turns and cube-tilts used for locating pieces. Would these also become part of the turn count?

I propose ETM (Execution Turn Metric). It's a mix between QTM HTM and STM where rotations *sometimes* count as moves. An example:

Scramble: L2 R2 U2 L2 U F2 L2 F2 U L B2 F' R B2 U' B F L F2 D'

Cross: L2 u R' F' (4 ETM, obvious)
F2L 1: L' U' L d R' U R (7 ETM, obvious)
F2L 2: y' R U' R' U2 R U' R' (8 ETM, rotation requires regrip so it is counted)
F2L 3+4: y L U2 L' R U R' (7 ETM, rotation counts, L' R counts as two moves not one, because it is performed as such)
OLL: M U' M' U' U' M U' M' (8 ETM, Slice moves are performed as slices here. The U2 is two flicks with the left index, thus two moves.
PLL: R' U2 R U' U' R' F R U R' U' R' F' R2 U' (15 ETM, the first U2 is an index-middle double flick with the right hand, thus one move. The second is two left indexes again, thus two. R2 is a single wrist turn, thus one.)

Total solve: 56 QTM/49 HTM/44 STM/49 ETM

Coincidence that HTM=ETM here, but it should be clear what I mean.

 

[qqwref]

U2 L'R' F'B' U2 FB LR (= 6 ATM)

 

[Kirjava]

21:34 <+Kirjava_> DavidWoner: oh I like it
21:34 <+Kirjava_> similar to ATM
21:34 <+Kirjava_> very nice for counting TPS
21:34 <+Kirjava_> but uh
21:34 <+Kirjava_> it's somewhat subjective

 

[DavidWoner]

I should also mention that it is intended only for reconstructions, preferably those from videos. Being able to actually look at the solve and see how things were performed removes the subjectivity.

 

[Escher]

Brest: Just wondering if you'd like to reconstruct my 7.71 here - the vid hasn't got the greatest of clarity but I want to see just how bad the f2l is xD
A while ago I started from the end and worked backwards a while ago and found I couldn't work out just what I did for the 2nd or 3rd pair. Thx anyway :3

 

[Kirjava]

I propose ETM (Execution Turn Metric). It's a mix between QTM HTM and STM where rotations *sometimes* count as moves. An example:

[WIKI]ETM[/WIKI]

 

[cuBerBruce]

lol there are only two steps in the method

Reduce to opposite colours on each side -> Solve

So it appears your first phase reduces the cube much more than Kociemba's first phase. I believe your first phase reduces the cube to only 1/4900 the number of possible positions that Kociemba phase 1 does.

 

[Brest]

Good stuff David.

Are these correct: M' = 1 / R' r = 2 / r' R = 2 / R2' r2 = 2 / M' R' r' = 3 / U3' (as 3 flicks) = 3
What about U/D combinations when both are turned at the same time?
With a sequence of rotations, do you suggest each sequence count as 1 move? Or base the move count on the number of regrips? Case by case? Some examples: when the cube is rotated around a corner (yx) it can be performed as a single rotation, although sometimes it is clearly two; when the sequence looks like (yxy) but could be (x2y).
Cube-tilts would not count, however what if the tilt came with a regrip? Is it then no longer a tilt, and therefore a move?

With some past reconstructions I have listed both H/STM, and also listed a 'turns' metric where I've combined H/STM due to an MU PLL. ETM would definitely help with these cases.

 

[DavidWoner]

Are these correct: M' = 1 / R' r = 2 / r' R = 2 / R2' r2 = 2 / M' R' r' = 3 / U3' (as 3 flicks) = 3

Yes though I don't quite know why someone would do M' R' r' I suppose it is possible.

With a sequence of rotations, do you suggest each sequence count as 1 move? Or base the move count on the number of regrips? Case by case? Some examples: when the cube is rotated around a corner (yx) it can be performed as a single rotation, although sometimes it is clearly two; when the sequence looks like (yxy) but could be (x2y).

Yes. It will take some time to establish precedent but we should be able to work it all out. There are also rotations that do not count as moves- for example x R2' in a cross on left solve would only be one move ETM. I often write this as (R' + l') and always count it as one move in my reconstructions.

Cube-tilts would not count, however what if the tilt came with a regrip? Is it then no longer a tilt, and therefore a move?

Correct.

With some past reconstructions I have listed both H/STM, and also listed a 'turns' metric where I've combined H/STM due to an MU PLL. ETM would definitely help with these cases.

That's why I proposed it

 

[Brest]

Yes though I don't quite know why someone would do M' R' r' I suppose it is possible.

Thom, as well as other cubers (especially Roux solves), use that sequence or similar for M2'. Not only does it look sweet, it also seems very fast and comfortable.

I edited my post, but after you quoted: What about U/D combinations when both are turned at the same time?

 

[DavidWoner]

Thom, as well as other cubers (especially Roux solves), use that sequence or similar for M2'. Not only does it look sweet, it also seems very fast and comfortable.

I edited my post, but after you quoted: What about U/D combinations when both are turned at the same time?

Do you mean R' r M'? Because what you originally wrote equates to R2
But R' r M' would count as one move, since it is really performed as a single M2' with one finger, the R' r existing only to position the finger doing the M2'. If you watch people who are good at it, it is hard to argue that a double flick M2 is one move ETM while R' r M' is not.

As for U/D moves, quarter turns in the same direction (UD' and U'D) are definitely one move if performed at the same time. U2D2 I'm not so sure about, I don't know of anyone who can simultaneously double trigger both layers. For now I'd say treat them as independent U2/D2 moves, with the standard rules for half turns applying to each. Things like U'D' and U2D' are also subjective and would depend on the actual manner of execution.

It's strange to think that the same algs can have different movecounts in the same metric, depending only on who's executing them. However I think the reconstruction of solves using ETM is more beneficial in helping the solver and others remove mistakes and improve their execution.

 

[Brest]

Do you mean R' r M'? Because what you originally wrote equates to R2

lol self :fp

But R' r M' would count as one move, since it is really performed as a single M2' with one finger, the R' r existing only to position the finger doing the M2'. If you watch people who are good at it, it is hard to argue that a double flick M2 is one move ETM while R' r M' is not.

Agreed, this makes sense.

As for U/D moves, quarter turns in the same direction (UD' and U'D) are definitely one move if performed at the same time. U2D2 I'm not so sure about, I don't know of anyone who can simultaneously double trigger both layers. For now I'd say treat them as independent U2/D2 moves, with the standard rules for half turns applying to each. Things like U'D' and U2D' are also subjective and would depend on the actual manner of execution.

I've seen U D (different direction) performed at the same time, but I cannot remember which video. Do you think this should be 2 moves or 1? ETM could also combine ATM when appropriate, not just Q/H/STM.
U/u/D/d combos also fit in this group.

It's strange to think that the same algs can have different movecounts in the same metric, depending only on who's executing them. However I think the reconstruction of solves using ETM is more beneficial in helping the solver and others remove mistakes and improve their execution.

This is definitely a different way of thinking, which makes it strange until it's familiar. When considering execution versus turn speed, it does make sense that U2 performed as U U should count as 2 moves, as well as some cube rotations counting as moves.
TPS calculated by ETM will be higher compared to HTM. Hopefully this wont increase bad habits! =)

Edit:
I just had a case of R U2' performed U' right thumb followed by U' left index. It was as fast/smooth as a U2' double flick, so I'm counting at a single move ETM.

 

[Kirjava]

So it appears your first phase reduces the cube much more than Kociemba's first phase. I believe your first phase reduces the cube to only 1/4900 the number of possible positions that Kociemba phase 1 does.

Yap. Human Kociemba and Kociemba are two completely different methods. I used to call it redux but people got confused because redux is a bigcube method. I picked Kociemba because it's the only other two phase algorithm I know of. This was a mistake, because everyone thinks the two are related somehow >_>

Need to think of a better name. Maybe I should make a thread for the method.

 

[Brest]

Brest: Just wondering if you'd like to reconstruct my 7.71 here - the vid hasn't got the greatest of clarity but I want to see just how bad the f2l is xD
A while ago I started from the end and worked backwards a while ago and found I couldn't work out just what I did for the 2nd or 3rd pair. Thx anyway :3

Rowan Kinneavy - "7.71 3x3 Rubik's cube single - UK Open 2010"

Spoiler

Spoiler

F2 D F2 U' F' U F D2 U' B' U2 R2 F2 D' B U L F'

x // inspection
U' x' R2 D2' R2 // cross (D'D')
U R' U2' R U' R' // 1st pair
y2 U' R' U R U' R U' R' U y' R' U R // 2nd pair (yy)
U y' R' U' R L' U2 L // 3rd pair
y U2' R U2 R' U' R U R' // 4th pair
r U R' U R U2' r' // OLL
alg.garron

7.71sec - 44htm/51etm - 5.71/6.60tps

can someone reconstruct my 12.59 and 12.78,I lost the scrambles,sorry.

http://www.youtube.com/watch?v=236mM0E0Lp0

Ayush Kumar - "12.59 and 12.78 NL solves" (unofficial)

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1st solve

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F2 R2 B2 D L R2 U F' U' B' U' F' L2 U2 R2 D' B' R'

y F' R' U' L' U L' U y U' R2' // cross
U' U y L U' L' // 1st pair
y' L U L' U L U' L' // 2nd pair
U R' U' R U' R' U' R // 3rd pair
U3 R U' R' U R U' R' U R U' R' // 4th pair (UUU)
U R U R' U' L l' U R U' r' // OLL (ELL for skip)
R' U R' U' R' U' R' U R U R2 // PLL (Ub perm)
alg.garron

12.59sec - 63htm/68etm - 5.00/5.40tps

2nd solve

Spoiler

x2 // inspection
D' R' U y' L2' U2' R2' // cross (U'U')
U2' R U' R' U R R' R U R' // 1st pair (U'U')
U y' U' R U' R' U R U R' // 2nd pair
U' y' U' R U' R' U2 R U' R' // 3rd pair (UU)
U2' L' U' L U' L' U L // 4th pair (U'U')
U' R U R' U' L' U R U' R' L // OLL
U R U R' F' R U R' U' R' F R2 U' R' U' // PLL (Jb perm)
alg.garron

12.78sec - 68htm/75etm - 5.32/5.87tps

Spoiler

Brest, would you mind reconstructing my sub10 avg12? Maybe it's not the best angle, but it's possible to do.

Thanks!

Carlos Méndez García-Barroso - 9.94 avg12 (unofficial)

Spoiler

1st solve - 8.96

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D B2 D U' R2 D R D' L F2 R' F2 D2 L2 B U B' D

z2 // inspection
R' D R y' R' u R' u' // cross
R U R' y' U L U' L' // 1st pair
U' R' U2 R U R' U' R // 2nd pair
U' y' R U2 R' U' R U R' // 3rd pair
y U' R U' R' U R U' R' // 4th pair
U2 R' U' R' F R F' U R // OLL (UU)
U2' R' U R' U' R' U' R' U R U R2' // PLL (Ub perm) (U'U')
alg.garron

8.96sec - 59htm/65etm - 6.58tps/7.24tps

2nd solve - 9.71

Spoiler

L2 U2 B2 R B U' R' B D2 L2 D2 R U' B' R' F' U2 R'

y2 x // inspection
R' U' L' x R2' F R // cross
L U' L' y' R' U' R // 1st pair
L' U2 L U L' U' L // 2nd pair
R U R' U L U2 L' U' L U L' // 3rd pair
R U R' U2' R U R' // 4th pair (U'U')
U F R U R' U' F' // OLL
U' R' U' F' R U R' U' R' F R2 U' R' U' R U R' U R U' // PLL (F perm)
alg.garron

9.71sec - 64htm/67etm - 6.59/6.90tps

3rd solve - 10.48

Spoiler

R2 F2 U2 L B2 F R2 F2 D R2 D2 B D L' B F' R' U'

x2 // inspection
D R' F' D F2 D // cross
R' U R // 1st pair
y' U' y' (U R U' R')3 // 2nd pair
y U2 R U' R' y U R U' R' // 3rd pair (UU)
U' r' F' r U' r' F r // 4th pair
U2' F R' F R2 U' R' U' R U R' F2 // OLL (U'U')
U' U L' U' r U r' U' L U r U' r2' F r U' // PLL (Ja perm)
alg.garron

10.48sec - 66htm/72etm - 6.30/6.87tps

4th solve - 9.92

Spoiler

B F R2 F U' B2 U2 L B2 D2 L2 F' R2 D' B' U2 R' U2

x2 // inspection
L F2 R' D' R2 // cross
R U R' U2' R' U R // 1st pair (U'U')
L' U2 L U L' U' L // 2nd pair
U' R U R' y' L' U L // 3rd pair
R2' U2' R U R' U R2 // 4th pair (U'U')
U' R U R' U' M' U R U' r' // OLL
U2 R2 u R' U R' U' R u' R2 y' R' U R // PLL (Ga perm) (UU)
alg.garron

9.92sec - 57htm/61etm - 5.75/6.15tps

5th solve - 8.77

Spoiler

L' F2 L2 U2 R' D2 B2 R' U F' L2 D L' U2 R2 F' R F'

y' x // inspection
r R2' F D' L // cross
U2' L U' L' // 1st pair (U'U')
U R U' R' // 2nd pair
U y' L2 U2 L' U' L U' L2 // 3rd pair
y' R' U R U' R' U R // 4th pair
U' r U' r' U' L U F U' L' // OLL
U' R U' R' U' R U R D R' U' R D' R' U2 R' U2' // PLL (Ra perm) (U'U')
alg.garron

8.77sec - 55htm/59etm - 6.27/6.73tps

6th solve - 10.48

Spoiler

D2 R2 B U2 L2 U2 B' F2 U F D2 B' L U' R2 D2 L' B2 D'

y2 // inspection
L2 F2' D' F' R2 D' // cross
y U R U' R2' U R // 1st pair
y' R U' R' U' y' R U' R' // 2nd pair
U L2 U2 L' U' L U' L2 // 3rd pair
y R2 U2' R' U' R U' R2 // 4th pair (U'U')
U r' R2 U R' R R' U R U2' R' U M' // OLL (U'U')
R2 U' R' U' R U R U R U' R U' // PLL (Ua perm)
alg.garron

11.49sec - 60htm/66etm - 5.22/5.74tps

7th solve - 9.05

Spoiler

L2 D2 B2 R2 U' R B D U' L2 F' U2 B2 L' R' U F U

y x' // inspection
D r D' R2' F R D2' // cross (D'D')
R' U R U' y U' R U R' // 1st pair
y' U R U R' U' y' L' U' L // 2nd pair
U' y R U' R' // 3rd pair
U' L' U' L // 4th pair
U U2' R U2' R2' F R2 R' F' R U2' R' // OLL (U')4 (RR)
U' R2 u R' U R' U' R u' R2 y' R' U R // PLL (Ga perm)
alg.garron

9.05sec - 56htm/65etm - 6.19/6.84tps

8th solve - 13.26

Spoiler

D2 U2 L2 B' F U2 F2 R2 U' F D' F R D U R' U2 B D

R F' D' R2 D2 // cross (DD)
L U' L' y' R' U' R // 1st pair
U2' y' R' U2 R U R' U' R // 2nd pair (U'U')
y' R U R2' U2' R // missed pair (U'U')
U' R' U U2' R U' y R U R' // 3rd pair (U'U')
y' U R U2 R' U' R U R' // 4th pair
U2' r U R' U R U' R' U R U2' r' // OLL (U')4
U2' F R U' R' U' R U R' F' R U R' U' l' U R U' // PLL (Y perm) (U'U')
alg.garron

13.26sec - 71htm/84etm - 5.35/6.33tps

9th solve - 8.13

Spoiler

L2 D U F2 U' L2 D' R B' L F' R F' R' F' R2 F U2 L'

x y2 // inspection
D r' R2' F2 y' U R U' R' D2 // Xcross (DD)
U y' R U R' L' U L // 2nd pair
L U' L' // 3rd pair
U' y L' U' L U y' R U' R' // 4th pair
R U R' U R U' R' U' R' F R F' // OLL
U' R U R' U' R' F R2 U' R' U' R U R' F' // PLL (T perm)
alg.garron

8.13sec - 54htm/59etm - 6.64/7.26tps

10th solve - 10.80

Spoiler

F' R2 B' F L R2 D' R2 F' D2 B2 U' L' R' B' R D R'

z2 // inspection
U' D R' F y R u' R u' // cross (U'D)
y U L' U2 L U' L' U L // 1st pair (UU)
y U2 R U' R' U2 R U' R' // 2nd pair (UU)
y R U R' U' y' R' U R // 3rd pair
U2' y' R U R' U' y L' U L // 4th pair (U'U')
U' R U R' U' M' U R U' r' // OLL
U2' R2' u' R U' R U R' u R2 y R U' R' U // PLL (Gc perm) (U'U')
alg.garron

10.80sec - 64htm/75etm - 5.93/6.94tps

11th solve - 9.41

Spoiler

R2 B' U2 B' F' D L2 D' U F2 D' L B' U L2 R B2 L2 F'

x2 y // inspection
D R2' D2 R U' R' F R D' // cross (DD)
U2' L2' U2 L U L' U L2 // 1st pair (U'U')
R U R2' U' R // 2nd pair
U y' U R' U R U' R' U R // 3rd pair
y' U' R U' R' U R U R' // 4th pair
U' R' U' R U' R' U2 R // OLL
U2 R' U R' U' y R' F' R2 U' R' U R' F R F // PLL (V perm)
alg.garron

9.41sec - 62htm/67etm - 6.59/7.12tps

12th solve - 10.79

Spoiler

B2 R2 F2 D2 U B2 L D L R' B U' L R2 U' L2 F2 R'

x y2 // inspection
D' l U L F' // cross
U' y L' U L U' L' U L // 1st pair
U' y L' U' L R U' R' // 2nd pair
U L' U' L U' L' U L // 3rd pair
y U R U' R' U R U R' // 4th pair
U U' R U R' U R' F R F' R U2' R' // OLL (U'U')
U R' U R' U' y R' F' R2 U' R' U R' F R F U2' // PLL (V perm) (RR) (U'U')
alg.garron

10.79sec - 65htm/72etm - 6.02/6.67tps

RECONSTRUCT THIS!!!!11
http://www.youtube.com/watch?v=swDi_R0eKbY

Haha! No way! the HugHey.

How about this one?
http://www.youtube.com/watch?v=NW7lyre2DZY

I had a go but did not succeed. I may try again sometime.



Andrew Ricci - "10.87 3x3 Official Average" Yale Fall 2011

Spoiler

Spoiler

1st solve - 11.19

Spoiler

R' F2 L B2 F2 U F' D' R2 U B D2 R D2 F2 R' F2 R2

y x2 U' R' F D L D // cross
U R U R' L U L' // 1st pair
y' R U2 R' U2 R U' R' // 2nd pair
y U' R' U R U' R U R' // 3rd pair
U2' R' U R U2' R' U R // 4th pair
U2 U2 U2 r U' r' U' r U r' y' R' U R // OLL
R U R' y' R2' u' R U' R' U R' u R2 U' // OLL (Gd perm)
alg.garron

61htm / 11.19sec / 5.45tps

2nd solve - 10.78

Spoiler

D2 R2 D B2 L' R2 U' B2 U' F' R' D2 F L' F2 D' R F2

x y2 L' x' R' U R' F2 D2 // cross
U R' U2 R U R' U' R // 1st pair
U2' L' U L // 2nd pair
U' y2' R U2 R' U' R U R' // 3rd pair
y R' U2 R U R' U' R // 4th pair
U' U2 R U R' U R U' R' U' R' F R F' // OLL
U' y R' U R' d' R' F' R2 U' R' U R' F R F // PLL (V perm)
alg.garron

62htm / 10.78sec / 5.75tps

3rd solve - 10.65

Spoiler

R2 D2 R D2 B' L D F2 R F' R' B' L2 U B2 L D'

z2 U2 F' r U' x' U R' F // cross
U' R' U2 R U2 L U L' // 1st pair
U R' U R y' R U R' // 2nd pair
y U' R' U2 R U2' R' U R // 3rd pair
y' U2' R' U2 R U' R' U R // 4th pair
U3 F R U' R' U' R U R' F' // OLL
y' R2 u' R U' R U R' u R2 y R U' R' // PLL (Gc perm)
alg.garron

60htm / 10.65sec / 5.63tps

4th solve - (9.69)

Spoiler

U' F2 R2 D' R2 U2 L B2 L R2 D L' B U R2 D2 R D2 U2

y x2 R' F' U R' F' L // cross
y' R' U R U' R U R' // 1st pair
y' U R U R' U2 R U' R' // 2nd pair
y' U' R U' R' U' L' L L' U' L // 3rd pair
U2 y' R' U' R U R' U' R // 4th pair
U F R U R' U' F' U' R U2 R' U' R U' U U' R' // (C)OLL
U2 R2' U R U R' U' R' U' R' U R' // PLL (Ub perm)
alg.garron

68htm / 9.69sec / 7.02tps

5th solve - (11.25)

Spoiler

D R2 F2 D B' F2 R2 F2 R' D' B' F' L' B2 D' F' U' B F'

y x2 B2 U' U R U' F' r U2 R2 x' // cross
U2' y U' R U' R' y U' R' U R // 1st pair
R U R' U' R U2 R' U' R U R' // 2nd pair
y2' R U' R' U2 R U' R' // 3rd pair
y U R U' R' U2 R U' R' // 4th pair
U3 F R U' R' U' R U R' F' // OLL
U2' R U R' F' R U R' U' R' F R2 U' R' // PLL (Jb perm)
alg.garron

68htm / 11.25sec / 6.04tps

Rowe Hessler - "9.65 official average" Yale Fall 2011

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Spoiler

1st solve - 9.11

Spoiler

U2 B2 F2 L2 R D2 U' F D L' B2 R2 B' L' U' L D B2

y x' U' x' U' R' F D L D // cross
U R U R' L U L' // 1st pair
U y U' L U2 L' U' L U2 L' // 2nd pair
U' y' U R' U2' R U2' R' U R // 3rd pair
U' F' U2' F U' R U R' // 4th pair
U' F U R U' R' F' // (C)OLL
U' R2 U' R' U' R U R U R U' R U' // PLL (Ua perm)
alg.garron

60htm / 9.11sec / 6.59tps

2nd solve - 10.13

Spoiler

D2 R2 D B2 L' R2 U' B2 U' F' R' D2 F L' F2 D' R F2

x2 R' D L D' L D2 // cross
R' U2 R // 1st pair
U' L' U' L // 2nd pair
U' R R' y' L' U L // 3rd pair
y U' U R U R' U' R U R' R U R' // 4th pair
U3 R' U' U R U2' r' U2' R U R' U' R U R' U r // OLL
U' R2 u R' U R' U' R u' R2 y' R' U R U' // PLL (Ga perm)
alg.garron

62htm / 10.13sec / 6.12tps

3rd solve - (11.16) ???
4th solve - (8.91) ???

5th solve - 9.17

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D R2 F2 D B' F2 R2 F2 R' D' B' F' L' B2 D' F' U' B F'

x y' D R' D2 y R' F // cross
y U2' R U R2' U' R // 1st pair
y' U F U2' F' R U R' // 2nd pair
U' R' U' R U' R' U R // 3rd pair
y' R U' R' d U R' U' R // 4th pair
U F R U R' U' F' f R U R' U' f' // OLL
U2 R U R' U' R' F R2 U' R' U' R U R' F' U' // PLL (T perm)
alg.garron

// 63htm / 9.17sec / 6.87tps

5BLD - "13.17 Roux avg12" (unofficial)

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1st solve

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D2 U' L2 D' B2 U2 L' B2 R2 B F' D R' U L D F' U' F'

y x' R U L U x // LB block
U R2 U r' U' r x U' r L // LF pair
U R2 U l L' U' r U' R' // RB block
U' U R R' M' U2 R r' U2 R' U' R // RF pair
U R U' L' U R' U' L // CMLL
M' U M' // EO
U2' M2' U' // UL/UR
l L' U2 M' U2 // L3E
alg.garron

50stm / 11.54sec / 4.33tps

2nd solve

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U2 B U2 F2 U R2 F' D U2 L D2 B L F' D R2 U F2

y R U R U' R U' B // LB block
R' R U R r' U' R' F // LF pair
r' U' R2 M' U' r' U R2 // RB block
r' U' M' U2 R U R' // RF pair
U' U R' U2 R' D' R U2' R' D R2 // CMLL
M' U M' // EO
U' M2' U2 M2' U M2' // LSE
alg.garron

49stm / 12.48sec / 3.93tps

3rd solve

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F' D2 F' R2 B' U2 B2 D R2 F L B F2 U L2 B2 L2 B F'

z y2 R2 U2 x' u x // LF block
U' R' U R U' R' U2 x' U x' l2' // LB pair
U r U R' U' R' U' R U R' U2 R U' R' // RF block
M' U' r' U r // RB pair
U' l' U2 y R U2 R U2' R' U2 (y'x') R // CMLL
U' M' U M' // EO
U' M' U2 M' U M2' U // UL/UR
U2 l L' U2 M' // L3E
alg.garron

56stm / 13.09sec / 4.28tps

4th solve

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F U2 R2 D R F D L2 B' F D F' U B' U F' D R'

y' U2 R2 U2 x' D' // LF block
U' x U2 R U R' U R U2' L U x // LB pair
U' r U R U R2 U R' M' U2 R U' R' // RF block
R' U' R U2 R' U' r // RB pair
U' l' U2 y R U2 R' U2 R' U2 (y'x') R // CMLL
U2 M' U M' // EO
U l L' U2 l L' U M2 U // UL/UR
E2 M' E2 M' // L4E
alg.garron

59stm / 14.63sec / 4.03tps

5th solve

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F' L2 F R2 D' R B U R' B D2 B2 L D2 F' D2 U L2

z2 R' U R' U2' x' U l' // LB block
U l' U' R' U x' // LF pair
U' R U R' U2 R U' R' // FR block
U' R' U' R U2' R' U R // FB pair
U' R U2' R' U2 l' U R U' x' // CMLL
M' U M' // EO
U L M' l' U M' U2 l L' U // UL/UR
M2' U2 M2' U2 // L4E
alg.garron

51stm / 11.81sec / 4.32tps

solves 6-12 not reconstructed

 

[Kirjava]

brest is the best

 

[Cubenovice]

Brest, you're one crazy mofo!

Please take care that this reconstruction thing does not keep you from participating in the weekly comp FMC.

 

[Godmil]

Seriously Brest, how long does it take you to do one of those? I'm starting to wonder if you just watch the video once then type out the reconstruction from memory.

 

[Kirjava]

http://www.youtube.com/watch?v=ZKM6ehXN1c0

lol?

 

[Mike Hughey]

http://www.youtube.com/watch?v=ZKM6ehXN1c0

lol?

Yes, please - I've been wanting to see this one.

 

[Godmil]

I tried reconstructing that one, but I think the start position looked pretty random, could just be a memorised solve sequence.