盲拧blindfolded.docx

盲拧blindfolded.docx

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盲拧blindfolded

盲拧（blindfolded）

盲拧（blindfolded）

blindfolded

Blindtwist:

asthenamesuggestsistheeyesclosedtorestorethecube.Becausecannotseethecubeofthestate,sotheformulaiseasy,thewayforblindtwistisskilled.

Hepractices:

referstothereasonableandeffectivemethodofusingtheindexfinger.InthispaperIwillgripatthebottomofindividualformulasindicatetherightthumb,"said,"thewaytousetherighthandthumbinaccordancewiththeRsurfaceclockwise;'no'isrepresentedbytherightringfingerhook;theletterandabar"U'""F'"representedbytheleftindexfingerhook.

Ablockdirectionangle

Twobasicformula（RU）（R'U'）（RU）R'effect:

8cornersclockwise

Methods:

（underthethumboftherighthandgripatthebottom）

（RU'）（R'U）（RU'）R'effect:

8reverseangleblock

Methods:

before（infrontoftherighthandthumbgrip）

Applythetwobasicformula,derivedanewformula:

Over1quarters（RU）（R'U'）（RU）R'D（RU'）（R'U）（RU'）R'D'8clockwise,5reverse

2（RU）（R'U'）（RU）R'D2（RU'）（R'U）（RU'）R'D28clockwise,6reverse

3（RU'）（R'U）（RU'）R'D（RU）（R'U'）（RU）R'D'8bitreversal,5clockwise

4doubledelta[（RUR'U'）3D*2D]*8,5,6blockclockwiseangle

5[（RU'R'U）3D*2D]*8,5,6blockreverseangle

Theflexibilityofthismethodarefullyreflectedintheformula2（andothersimilarderivativesarederived,notgointohere）

Over6quarters

（RUR'URU2R'）（L'U'LU'L'U2L）2clockwise,1reverse

7（L'U2LUL'UL）（RU2R'U'RU'R'）2bitreversal,1clockwise

8doubletriangle

（R'U2RUR'UR）U（RU'RURURU'R'U'R2）U1,2,3angleblockclockwise

Onnoflashballtoflashballtriangletriangularinverseclockwise

9（RU'U'R'U'RU'R'）U（R2'URUR'U'R'U'R'UR'）U1,2,4reverseangleblock

Next,beforeandafternoreversetriangle,triangularsmoothchange

10fourturnangle

（RU'U'R'U'RUR'U'RU'）（R2'UR'U'R'U'R'URUR2）13bitreversal,24clockwise

Next,noflashballbefore,after

11（RU'U'R2'U'R2U'R2'U2）（R2'U'RURURU'R'U'R2）U21423clockwise,reverse

Topostonto243

12fiveangleturn[（RU'U'R'U2）（RUR'U'）]x21234clockwise,8reverse

Tothenext

13[（R'U2RU'U'）（R'U'RU）]x21234bitreversal,7clockwise

Next,before

14[（RUR'U'）（RU'U'R'U2）]x21238clockwise,4reverse

Next,on

15y'[（R'U'RU）（R'U2RU'U'）]*2Y1238bitreversal,4clockwise

Beforethenextto

16sixangleturn（R'U'R'U'RU'RU'RU'U'）*2123478clockwiseangleblock

Next,

17（RURUR'UR'UR'U2）*2123478bitreversalangleblock

Upanddown.

Thefirst8,formula9,10bracketsand11intheOLLangleformula,secondbracketsforPLLedgeangleformula,theinitialstateofOLLrespectivelywith27,26,21,22ofthesamestate,inordertofacilitatetheconnectionofmemory.

Two,blockedgedirection

1tworowedover（M'U）*3U（MU）*3U1,3placeovertheedge

2（R'U2）（R2'UR'U'）（R'U2）（LFRF'）L'1,4placeovertheedge

Afterthenext

3,fouredges,turn（M'U）x4（MU）x4,or:

[（M'U）x3M'U']*21234insituturning

4（M'U）x42357insituturning

5,sixedgeturn（RBR'U）x5123470,turnoverinsitu

6（R'FRU）x5123459insituturning

7,eightedgeturn（rRuU）x3135790ABinsituturning

8x（rRuU）x3x'12345678insituturning

9M2'D（rRuU）x3D'M2'567890ABinsituturning

10M2'U（rRuU）x3U'M2'123490ABinsituturning

11,twelveedgeturn[（M'U）*4yx']*3mirror:

[（M'U'）x4y'x']x3,allinsituturning

Itiseasytomakeadistinctionbetweenthetwo"sixedges"inversionformulas,aslongastheyrememberthattheedgesheldbythethumbormiddlefingeroftherighthandarenotturned.

Inaddition,becauseIoperateM'withthelefthandringfingerhook,operationMwiththelefthandthumbpinch,sothenturntotheupperlevelwiththerightindexfingerforU;youcanaccordingtotheirhabits,theM（M'）behindtheUchangedtoU'.

Three,cornerposition

Twobasicformulas（R'FRF'）*3Effects:

13,48

Onthesurfaceoftheupperandlowerverticalcornersisdiagonalforexchange

Thelefthandthumbgripthebottom,operationFwiththerightindexfingerhook,operationF'withthelefthandindexfinger

hook

（RF'R'F）*3Effects:

57,48

Bothhandsthumbbottom,operationFwiththerightindexfingerhook,operationF'withthelefthandindexfingerhook

Changinganglewithsamefloor

11,3,,4,1,X'（R2D2）（R'U'R）,D2（R'Ul'）,trianglechange

Gouptothefront（PLL）

21,4,1,3,R'l',X'（RU'R）,D2（R'UR）,D2（V）,triangleinversion

Gouptothefront（PLL）

312,34

X'（RU'R'）D（RUR'）u2'（R'UR）D（R'U'l）Y2ontheadjacentangle

Godown,forward,lower,forward,forward（PLL）

413,24

First,U2thenusesdiagonalpairstoexchangediagonalformulas

U2（L2l2'U）（L2l2'U2）（L2l2'U）（L2l2'）issolvedwith（PLL）

Theupperandlowercornerfortwoadjacentcorners

Variantformulaof56to3,,4,6,x[D2（R'U'R）,D2（R'UR）,thesamelayertriangulartransformationformula

66,4,3,6,x[（R'U'R）,D2（R'UR）,D2]x'

75,3,,4,5（RBR'）,F2（RB'R'）,three-dimensional,clockwiseinterchange

85,4,,3,5,F2（RBR'）,F2（RB'R'）,three-dimensional,counterclockwise

98,4,,1,8,（RF'R'F）*3U'（RF'R'F）*3Uonthesurfaceoftheanticlockwiseexchange

106,4,,1,6,

（2）x,three-dimensional,clockwiseinterchange

116,1,,4,6,

（2）x,three-dimensional,counterclockwise

Theupperandlowertwoadjacentcornersinacorner

Variantformulaof121to8,,7,1,x'[D2（R'U'R）,D2（R'UR）,thesamelayertriangulartransformationformula

131,7,8,1,x'[（R'U'R）,D2（R'UR）,D2]x

144,8,,5,4,（R'FRF'）*3D（R'FRF'）*3D',clockwiseexchangeontheplane

151,6,,7,1,

（2）x,three-dimensional,clockwiseinterchange

161,7,,6,1,

（2）x,three-dimensional,counterclockwise

174,6,,7,4,

（2）x,three-dimensional,clockwiseinterchange

184,7,,6,4,

（2）x,three-dimensional,counterclockwise

192,8,,5,2,

（2）x,three-dimensional,clockwiseinterchange

202,5,,8,2,

（2）x,three-dimensional,counterclockwise

213,8,,5,3,

（2）x,three-dimensional,clockwiseinterchange

223,5,,8,3,

（2）x,three-dimensional,counterclockwise

231,8,,5,1,（UL2UR2）（U'L2UR2）U2,clockwiseexchangeontheplane

244,5,,8,4（U'R2U'L2）（UR2U'L2）,U2,reverseclockwiseontheplane

252-5-2-8-（L2F'R'F）（L2F'RF）three-dimensionalcounter-clockwiseexchange

263-8-5-3-（R2'FLF'）（R2'FL'F'）three-dimensionalclockwiseinterchange

Formulas5,6,12and13arevariantsofthesamelayertrigonometricexchangeformula1and2.Afterunderstanding,theycanbesolvedwithouttheadditionofanumberofformulas!

Formulas10,11,and15~~24aremultiplevariationsthatrelatetomemory.Afterunderstanding,youonlyneedtoremembertwoformulas,oneforone,onefortheother.Forexample,4,6,2,5,4canbesolveddirectlywith（F2U'B2U）x,moreconciseandclear.

Theupperandlowercornerforrelativecorners

278,4,8,2,8[（R'FRF'）x3U2]x24,performthebasicformulaonthethird

288,2,8,4,8,[U2（R'FRF'）x3]*22,performthebasicformulaonthethird

297,3,,1,7,（R2U'）*2B2（UR2）x,three-dimensional,counterclockwise

308,1,,3,8（U'R2UR2U）,F2（U'R2U'R2U）,three-dimensional,clockwiseinterchange

315,4,,2,5（UL2U'L2U'）,F2（UL2UL2U'）,three-dimensional,counterclockwise

Formulas30and31arereciprocal,rememberthataformulaisOK,andtheU2atthebeginningandtheendoftheformulacansolvetheinversestate.

Twogroupsofhorns,oneonthetopandoneatthebottom

3213,57

（R'FRF'）x3（RF'R'F）*3,twogroupsarediagonalchange

3313,58

（R'FRF'）*3D（R'FRF'）*3D'（R'FRF'）*3diagonalupper,loweradjacentangle

3414,57

（RF'R'F）*3U'（RF'R'F）*3U（RF'R'F）*3composedofupper,lowerdiagonal

3524,78

（R'URU'）（R2'URU'）（RURU'）（R2'URU'）R2'upperdiagonal,theloweradjacentangle

Gouptonexttonexttolast

36thetwogroupsarecomposedofagroupofunderthechange,turntothetop,andthenPLLontheformulacomposedofexecution

Thegroupinaplane,inexchangeforagroupatthetopandthebottom.

3713,48

（R'FRF'）x3isdiagonallychangedontheface

3857,48

（RF'R'F）*3

3912,45

（B2DB2）（R'FRF'）*3（B2D'B2）onthesurfaceiscomposedofchange

4056,18

（B2U'B2）（RF'R'F）*3（B2UB2）;

4123,48

（RUR'URUR'U2）*2

Supreme

4214,37

（R'U'RU'R'U'RU'U'）*2

Fronttofront

Thetwogroupistheexchangeofthetopandthebottom.

4318,45

TaketheFfaceastheUsurface,firstU2,thencrosstheupperandlowerlayersdiagonally

XU2（L2l2'U）（L2l2'U2）（L2l2'U）（L2l2'）X'

4415,48

L'B'（R'FRF'）*3BLorRy'*3yR'（RUR'U'）infrontoftheupperandloweradjacentanglechange

4526,48

LB'*3BL'（R'FRF'）beforeandaftertheupperandloweradjacentanglechange

4636,48

L2（R'FRF'）*3L2frontcomposedof,afterthediagonalchange

4718,27

X'（R'FRF'）*3（RF'R'F）*3x（BsurfaceUsurfaceastheupperandlowerdiagonal）beforeandafterthechange

Or:

R2U2（L2l2'U）（L2l2'U2）（L2l2'U）R2

Four,edgeposition

11-5-3-1M'U2MU21in5,shiftexchange

23-5-1-3U2M'U2Mto3to5,andthenexchange

33-7-1-3MU2M'U23in7,shiftexchange

41-7-3-1U2MU2M'to1to7,andthenexchange

52-7-4-2UMU2M'Uto2to7,andthenexchange

64-7-2-4U'MU2M'U'to4to7,andthenexchange

74-5-2-4UM'U2MUto4to5,andthenexchange

82-5-4-2U'M'U2MU'to2to5,andthenexchange

91-9-5-1U'L'（U'M'U2MU'）LU,9to4,1and2

Inthreeforaslongasthereis,anytwoedgesrespectivelyintheupperandlowerlayer,amethodcanbeusedtoadjusttheformula9flexiblesolutions!

（generalthanaligningwithfewerlayersSanlengchange）

1013,57

（M2'U2）*2belowontheedgeoftheexchange

1113,90

（L2U2）onthelefts