Difference between revisions of "First Two Layers"
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− | == | + | {{Substep Infobox |
− | == | + | |name=F2L |
− | + | |image=F2Linfo.png | |
− | + | |proposers=[[René Schoof]] | |
− | + | |year=1981 | |
− | * | + | |anames=First Two Layers |
− | + | |variants=[[ZBLS]], [[VHF2L]], [[WV]], [[MGLS]], possibly others | |
− | + | |subgroup=<nowiki><U,R,L,F,B></nowiki> | |
− | + | |algs=0 to 41; hundreds more with [[Advanced F2L]] | |
− | + | |moves=6.7 [[HTM]] per slot; ~26.8 [[HTM]] per four slots | |
− | + | |purpose=<sup></sup> | |
− | + | * [[Speedsolving]], [[FMC]] | |
− | + | |previous=[[Cross cube state]] | |
+ | |next=[[F2L cube state]] | ||
+ | |previousimage=[[Image:VisualCube_3_Egell.png|120px|left|link=Cross cube state]] | ||
+ | |nextimage=[[Image:F2L_higlight.jpg|120px|right|link=F2L cube state]] | ||
− | + | }} | |
+ | '''First Two Layers''', or '''F2L''' are normally the first two bottom layers of the [[3x3x3 cube]], or essentially all layers up until the last layer on larger cubes. | ||
− | + | The definition is a little different depending on the subject or who you are talking to. Usually, it refers to the part of the [[CFOP]] and [[CFCE]] methods that solve the first two layers in [[pair]]s, excluding the [[cross]] step. | |
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+ | [[2-gen]] F2L, most pairs (30:42) have the edge sitting in the U-layer having two orientations, it shows R or F colour at the side. If it is the R colour you can solve the pair using only RU and if it is the F colour you can turn the cube (y') and sovle the pair to the back slot using only RU. The only pairs that needs both R and F turns are the six ones with the edge unoriented in the slot, if the edge is oriented in the slot both ways works. | ||
− | {|border=" | + | <br clear=all> |
+ | |||
+ | == Approaches == | ||
+ | |||
+ | === Petrus F2L === | ||
+ | |||
+ | Another way to solve the 'F2L' is by building blocks, common during the first two layers of the [[Petrus]] method. | ||
+ | |||
+ | === Fridrich F2L === | ||
+ | There are many ways to solve the 'F2L' on a cube. A common system is using the [[Fridrich]] method first two layer approach. After solving the cross, a corner-edge pair is paired up, and then inserted into the correct slot. A total of four corner edge (or 'CE') pairs are made and inserted to solve the first two layers. | ||
+ | |||
+ | The concept of pairing up four corner/edge pairs was first proposed by [[René Schoof]] in 1981. | ||
+ | |||
+ | {{F2L}} | ||
+ | |||
+ | ==Easy Cases== | ||
+ | |||
+ | {|border="0" width="100%" valign="top" cellpadding="3" | ||
|-valign="top" | |-valign="top" | ||
| | | | ||
+ | === F2L 1 === | ||
+ | [[Image:F2L01.png]] | ||
+ | |||
+ | {{Alg|U (R U' R')|F2L}} | ||
+ | {{Alg|R' F R F'|F2L}} | ||
+ | {{Alg|U2 (R U2 R')|F2L}} | ||
− | + | | | |
− | + | === F2L 2 === | |
[[Image:F2L02.png]] | [[Image:F2L02.png]] | ||
+ | {{Alg|y' U' (R' U R)|F2L}} | ||
{{Alg|U' (F' U F)|F2L}} | {{Alg|U' (F' U F)|F2L}} | ||
+ | {{Alg|F R' F' R|F2L}} | ||
+ | {{Alg|d' L' U L|F2L}} | ||
+ | {{Alg|r U R' U' M|F2L}} | ||
+ | {{Alg|(U2) l R U' R' U l'|F2L}} | ||
+ | {{Alg|(U2) l2 F' l' U l'|F2L}} | ||
+ | {{Alg|(U') F R' F' R2 U' R'|F2L}} | ||
− | = | + | |-valign="top" |
− | + | | | |
− | + | === F2L 3 === | |
+ | [[Image:F2L03.png]] | ||
+ | {{Alg|y' (R' U' R)|F2L}} | ||
+ | {{Alg|y (L' U' L)|F2L}} | ||
+ | {{alg|F' U' F|F2L}} | ||
+ | {{Alg|U M R U' R' U M'|F2L}} | ||
+ | {{Alg|U r' R2 U' R' U M'|F2L}} | ||
− | + | | | |
− | + | === F2L 4 === | |
− | [[Image: | + | [[Image:F2L04.png]] |
− | {{Alg| | + | {{Alg|(R U R')|F2L}} |
+ | {{Alg|(U2) L (R U' R') U L'|F2L}} | ||
+ | |-valign="top" | ||
+ | |} | ||
− | ==== | + | ==Reposition Edge== |
− | |||
− | { | + | {|border="0" width="100%" valign="top" cellpadding="3" |
+ | |-valign="top" | ||
+ | | | ||
+ | === F2L 5 === | ||
+ | [[Image:F2L05.png]] | ||
+ | {{Alg|(U' R U R') U2 (R U' R')|F2L}} | ||
+ | {{Alg|(U' R U R') U (R' F R F')|F2L}} | ||
+ | {{Alg|F2 (L' U' L U) F2|F2L}} | ||
+ | {{Alg|L U' R U L' R' U2 R U' R'|F2L}} | ||
+ | {{Alg|U' (R U R') U' R U2 R'|F2L}} | ||
− | + | | | |
− | + | === F2L 6 === | |
[[Image:F2L06.png]] | [[Image:F2L06.png]] | ||
{{Alg|d (R' U' R) U2' (R' U R)|F2L}} | {{Alg|d (R' U' R) U2' (R' U R)|F2L}} | ||
+ | {{Alg|y' (U R' U' R) U2 (R' U R)|F2L}} | ||
+ | {{Alg|y' (U R' U' R) U' y (F R' F' R)|F2L}} | ||
+ | {{Alg|U' (r U' R' U) (R U r')|F2L}} | ||
+ | {{Alg|R2 (B U B' U') R2|F2L}} | ||
+ | {{Alg|y F2 (R U R' U') F2|F2L}} | ||
− | = | + | |-valign="top" |
− | + | | | |
− | + | === F2L 7 === | |
+ | [[Image:F2L07.png]] | ||
+ | {{Alg|U' (R U2' R') U2 (R U' R')|F2L}} | ||
+ | {{Alg|U' R U2 R' U' R U2 R'|F2L}} | ||
+ | {{Alg|M' U' M U2 r U' r'|F2L}} | ||
+ | {{Alg|R U B U2 B' U R'|F2L}} | ||
− | + | | | |
− | |||
− | |||
− | |||
− | + | === F2L 8 === | |
− | |||
− | |||
[[Image:F2L08.png]] | [[Image:F2L08.png]] | ||
{{Alg|d (R' U2 R) U2' (R' U R)|F2L}} | {{Alg|d (R' U2 R) U2' (R' U R)|F2L}} | ||
+ | {{Alg|y' U (R' U2 R) U2 (R' U R)|F2L}} | ||
+ | {{Alg|(r' U2) (R2 U R2 U r)|F2L}} | ||
+ | {{Alg|y' R' U' F' U2 F U' R|F2L}} | ||
+ | |||
+ | |-valign="top" | ||
+ | |} | ||
+ | ==Reposition Edge and Flip Corner== | ||
+ | {|border="0" width="100%" valign="top" cellpadding="3" | ||
+ | |-valign="top" | ||
| | | | ||
+ | === F2L 9 === | ||
+ | [[Image:F2L09.png]] | ||
− | + | {{Alg|U' R U' R' d R' U' R |F2L}} | |
+ | {{Alg|d (R' U' R U') (R' U' R)|F2L}} | ||
+ | {{Alg|y2 U' (L U' L') d (L' U' L)|F2L}} | ||
+ | {{Alg|U r U R' U' R2 r' U' R'|F2L}} | ||
+ | {{Alg|U' R U' R' U2 M R U' R' U M'|F2L}} | ||
+ | {{Alg|F (R U R' U') F' R U' R'|F2L}} | ||
+ | {{Alg|(U F' U' F) U' (F' U' F)|F2L}} | ||
+ | {{Alg|y F2 (U R U' R') F2|F2L}} | ||
− | + | | | |
− | |||
− | + | === F2L 10 === | |
+ | [[Image:F2L10.png]] | ||
+ | {{Alg|U' (R U R' U)(R U R')|F2L}} | ||
+ | {{Alg|R d' R U R' U2 F'|F2L}} | ||
+ | {{Alg|U F' U F U' R U R'|F2L}} | ||
+ | {{Alg|d R' U R d' R U R'|F2L}} | ||
+ | {{Alg|y2 B2 (U' R' U R) B2|F2L}} | ||
− | + | Back Right Slot Open: R' U R2 U R' | |
− | |||
− | + | |-valign="top" | |
+ | | | ||
+ | === F2L 11 === | ||
+ | [[Image:F2L11.png]] | ||
− | + | {{Alg|U' (R U2' R') d (R' U' R)|F2L}} | |
+ | {{Alg|(y) L' d L' U2 L U2 F|F2L}} | ||
+ | {{Alg|U' R U2 R' U2 M R U' R' U M'|F2L}} | ||
+ | {{Alg|U (F R' F' R)2 U' R U R'|F2L}} | ||
+ | {{Alg|(y') R U2 R2 U' R2 U' R'|F2L}} | ||
+ | {{Alg|U' l F U' R U l' U R'|F2L}} | ||
+ | | | ||
− | + | === F2L 12 === | |
− | [[Image: | + | [[Image:F2L12.png]] |
− | {{Alg|U (R U' R')|F2L}} | + | {{Alg|R U' R' U R U' R' U2 R U' R'|F2L}} |
+ | {{Alg|d (R' U2 R) d' (R U R')|F2L}} | ||
+ | {{Alg|R U2 R' U2' R U2' R' U2' R U' R'|F2L}} | ||
+ | {{Alg|R' U2 R2 U R2 U R|F2L}} | ||
+ | {{Alg|y (F U') (R U2 R' U2') F'|F2L}} | ||
+ | {{Alg|(U R U' R') U' (R U R' U') (R U R')|F2L}} | ||
+ | Back right slot open: R' U2 R2 U R' | ||
− | = | + | |-valign="top" |
− | + | | | |
− | + | === F2L 13 === | |
+ | [[Image:F2L13.png]] | ||
+ | {{Alg|d (R' U R U') (R' U' R)|F2L}} | ||
+ | {{Alg|y' U (R' U R U') (R' U' R)|F2L}} | ||
+ | {{Alg|(U F' U F) U' (F' U' F)|F2L}} | ||
+ | {{Alg|M' U' (R U R') U' (R U2 r')|F2L}} | ||
+ | {{Alg|(R U' R') U (R' F R F') (R U' R')|F2L}} | ||
+ | {{Alg|(R U R') d' (L' U' L U) (L' U' L)|F2L}} | ||
+ | {{Alg|(R U' R' U2) (R U' l U' R' U l')|F2L}} | ||
+ | Back right slot open : R' U R F' U' F | ||
− | + | | | |
− | + | === F2L 14 === | |
− | [[Image: | + | [[Image:F2L14.png]] |
− | {{ | + | {{Alg|U' (R U' R' U) (R U R')|F2L}} |
+ | {{Alg|d' F U' F' d R U R'|F2L}} | ||
− | = | + | |-valign="top" |
− | + | |} | |
− | + | ==Split Pair by Going Over== | |
+ | {|border="0" width="100%" valign="top" cellpadding="3" | ||
+ | |-valign="top" | ||
+ | | | ||
+ | === F2L 15 === | ||
+ | [[Image:F2L15.png]] | ||
− | + | {{Alg|M U L F' L' U' M'|F2L}} | |
+ | {{Alg|R B L U' L' B' R'|F2L}} | ||
+ | {{Alg|U (R' F R F') U (R U R')|F2L}} | ||
+ | {{Alg|y' (R' U R U') d' (R U R')|F2L}} | ||
+ | {{Alg|y (L' U L) U2 y' (R U R')|F2L}} | ||
+ | {{Alg|R U2 R' U R U R' U R U' R'|F2L}} | ||
+ | {{Alg|R U R' U2 R U' R' U R U' R'|F2L}} | ||
+ | {{Alg|R U' R U2' R2' U' R2 U' R2'|F2L}} | ||
+ | {{Alg|U' R2 U2 R U' R' U R' U2 R2|F2L}} | ||
+ | {{Alg|U2 (R U R' U') R U2 R' U R U R'|F2L}} | ||
+ | Front left slot open: U (R U' R') D (R U' R') D' | ||
− | + | Back right slot open: U' (R' U R U') (R U R') | |
− | |||
− | + | === F2L 16 === | |
+ | [[Image:F2L16.png]] | ||
+ | {{Alg|(R U' R' U) d (R' U' R)|F2L}} | ||
+ | {{Alg|(R U' R') U2 (F' U' F)|F2L}} | ||
+ | {{Alg|(U') (R U2 M' U' R' U) (R U r')|F2L}} | ||
+ | {{Alg|(U) R (F R U R' U' F') R'|F2L}} | ||
+ | {{Alg|(U) M' (U R U' r') (U' R U R')|F2L}} | ||
+ | {{Alg|y' U R U2 R U' R U R' U2 R'|F2L}} | ||
+ | {{Alg|y M U' R' F R U M' y'|F2L}} | ||
− | = | + | |-valign="top" |
− | [[Image: | + | | |
+ | |||
+ | === F2L 17 === | ||
+ | [[Image:F2L17.png]] | ||
− | {{Alg|( | + | {{Alg|(R U2 R') U' (R U R')|F2L}} |
| | | | ||
− | + | === F2L 18 === | |
− | |||
− | |||
[[Image:F2L18.png]] | [[Image:F2L18.png]] | ||
{{Alg|y' (R' U2 R) U (R' U' R)|F2L}} | {{Alg|y' (R' U2 R) U (R' U' R)|F2L}} | ||
+ | {{Alg|y (L' U2 L) U (L' U' L)|F2L}} | ||
+ | {{Alg|(R U R' U') R U2 R' U y (L' U L)|F2L}} | ||
+ | {{Alg|(R U R' U') (R U R' U') F R' F' R |F2L}} | ||
+ | {{Alg|F' U2 F U F' U' F|F2L}} | ||
+ | {{Alg|(R' F R F') (R U' R' U) (R U' R')|F2L}} | ||
− | ===== | + | |-valign="top" |
− | [[Image: | + | |} |
+ | |||
+ | ==Pair Made on Side== | ||
+ | |||
+ | {|border="0" width="100%" valign="top" cellpadding="3" | ||
+ | |-valign="top" | ||
+ | | | ||
+ | === F2L 19 === | ||
+ | [[Image:F2L19.png]] | ||
− | {{Alg|U (F R' | + | {{Alg|U R U2 R2 (F R F')|F2L}} |
+ | {{Alg|U (R U2 R') U (R U' R')|F2L}} | ||
+ | {{Alg|(R U' R' U)2 R U R'|F2L}} | ||
+ | {{Alg|(R U2 R' U') U' (R U' R' U)(R U R')|F2L}} | ||
+ | | | ||
+ | === F2L 20 === | ||
+ | [[Image:F2L20.png]] | ||
− | + | {{Alg|U' F' U2 F2 (R' F' R)|F2L}} | |
+ | {{Alg|y' U' (R' U2 R) U' (R' U R)|F2L}} | ||
+ | {{Alg|y2 d' (R' U2 R) U' (R' U R)|F2L}} | ||
+ | {{Alg|U' (R U R' U) (F' L' U2 L F)|F2L}} | ||
+ | {{Alg|U' (R U' R2' F R F') (R U' R')|F2L}} | ||
+ | {{Alg|y' (R' U R U')2 R' U' R|F2L}} | ||
+ | {{Alg|U' (R U' R' U) (R U') (l U' R' U l')|F2L}} | ||
+ | {{Alg|d' L' U2 L U' L' U L|F2L}} | ||
− | = | + | |-valign="top" |
− | + | | | |
− | {{Alg|(R U2 R') U' (R U R')|F2L}} | + | === F2L 21 === |
+ | [[Image:F2L21.png]] | ||
+ | {{Alg|(R U' R') U2 (R U R')|F2L}} | ||
+ | {{Alg|U2 (R U R' U)(R U' R')|F2L}} | ||
+ | {{Alg|R B U2 B' R'|F2L}} | ||
+ | {{Alg|U2 R x' U' R U x R2'|F2L}} | ||
+ | {{Alg|U F R U R' U' R' F' R|F2L}} | ||
+ | | | ||
− | + | === F2L 22 === | |
− | [[Image: | + | [[Image:F2L22.png]] |
+ | {{Alg|y' (R' U R) U2 (R' U' R)|F2L}} | ||
+ | {{Alg|F' L' U2 L F|F2L}} | ||
+ | {{Alg|y' U2 (R' U' R U') (R' U R)|F2L}} | ||
+ | {{Alg|y2 U' d' (R' U' R U') (R' U R)|F2L}} | ||
+ | {{Alg| r U' r' U2 r U r'|F2L}} | ||
+ | {{Alg|U F R U R' U' F' R U R' U2'|F2L}} | ||
+ | {{Alg|d2 y' R' U' R U' R' U R|F2L}} | ||
− | + | |-valign="top" | |
+ | |} | ||
− | == | + | ==Weird== |
+ | {|border="0" width="100%" valign="top" cellpadding="3" | ||
+ | |-valign="top" | ||
+ | | | ||
+ | === F2L 23 === | ||
+ | [[Image:F2L23.png]] | ||
− | + | {{Alg|U2 R2 U2 (R' U' R U') R2|F2L}} | |
− | + | {{Alg|U (F R' F' R) U (R U R')|F2L}} | |
+ | {{Alg|U R U' R' U' R U' R' U R U' R'|F2L}} | ||
+ | {{Alg|(R U R' U') U' (R U R' U')(R U R')|F2L}} | ||
+ | {{Alg|(R U2 R') (F' U F) U' (R U R')|F2L}} | ||
− | + | | | |
− | + | === F2L 24 === | |
− | [[Image: | + | [[Image:F2L24.png]] |
− | {{Alg|(R U' R') U2 (R U R')|F2L}} | + | {{Alg|U F' L' U L F R U R'|F2L}} |
+ | {{Alg|(R U R') d (R' U R U') (R' U R)|F2L}} | ||
+ | {{Alg|y' (R' U' R U) U (R' U' R U)(R' U' R)|F2L}} | ||
+ | {{Alg|y' U2 R2 U2 (R U R' U) R2|F2L}} | ||
+ | {{Alg|U' (R U) (R2' F R F') (R U' R')|F2L}} | ||
+ | {{Alg|U' (R U R' U) (R U') (l U' R' U l') |F2L}} | ||
+ | {{Alg|U2 F2 U2 (F U F' U) F2|F2L}} | ||
+ | {{Alg|F U (R U' R' F')(R U' R')|F2L}} | ||
+ | {{Alg|d' (F' L F L') U' (L' U' L)|F2L}} | ||
+ | {{Alg|y (L' U' L U) U (L' U' L U)(L' U' L )|F2L}} | ||
+ | |||
+ | |-valign="top" | ||
+ | |} | ||
+ | ==Corner in Place, Edge in U Face== | ||
− | ==== | + | {|border="0" width="100%" valign="top" cellpadding="3" |
+ | |-valign="top" | ||
+ | | | ||
+ | === F2L 25 === | ||
+ | [[Image:F2L25.png]] | ||
− | + | {{Alg|d' (L' U L) d (R U' R')|F2L}} | |
− | + | {{Alg|d' (L' U L) (F' L F L')|F2L}} | |
+ | {{Alg|y U' (L' U' L) U (F U F')|F2L}} | ||
+ | {{Alg|U' (F' U F) U (R U' R')|F2L}} | ||
+ | {{Alg|U' M' U R U' r' (R U R')|F2L}} | ||
+ | {{Alg|R U2 R' U R U2 R' U2 R U' R'|F2L}} | ||
+ | {{Alg|R U R' U2 R U R' U2 R U' R'|F2L}} | ||
+ | {{Alg|R' F' R U R U' R' F|F2L}} | ||
+ | {{Alg|(U') F' R U R' U' R' F R|F2L}} | ||
+ | {{Alg|(R U' R' U') (R U' R' U) (R U R')|F2L}} | ||
+ | {{Alg|y' (l' U' l U) (l F' l' F)|F2L}} | ||
+ | {{Alg|(U) (R' U' R' U') R2 (U R U R)|F2L}} | ||
+ | {{Alg|y U R' u' R U' R' U u R|F2L}} | ||
+ | {{Alg|U' (R' F R F') (R U R')|F2L}} | ||
+ | If the back right slot is open: | ||
+ | {{Alg|R2 U' R' U R2|F2L}} | ||
+ | {{Alg|U D' R U' R' D|F2L}} | ||
− | |||
+ | | | ||
− | + | === F2L 26 === | |
− | [[Image: | + | [[Image:F2L26.png]] |
− | {{Alg| | + | {{Alg|U (R U' R') d' (L' U L)|F2L}} |
+ | {{Alg|U (R U' R') U' (F' U F)|F2L}} | ||
+ | {{Alg|U (R U' R') (F R' F' R)|F2L}} | ||
+ | {{Alg|U R U (r' R U' R' U M')|F2L}} | ||
+ | {{Alg|U R U' M' U R' U' M|F2L}} | ||
+ | {{Alg|r U r' U2 r U r' U2 r U' r'|F2L}} | ||
+ | {{Alg|y (r U r' U') (r' F r F')|F2L}} | ||
+ | {{Alg|y U (L F' L' F) (L' U' L)|F2L}} | ||
− | |||
− | |||
|-valign="top" | |-valign="top" | ||
| | | | ||
− | === | + | === F2L 27 === |
+ | [[Image:F2L27.png]] | ||
− | + | {{Alg|(R U' R' U)(R U' R')|F2L}} | |
− | + | {{Alg|(R U' R2)(F R F')|F2L}} | |
+ | {{Alg|F' U' F U2 (R U' R')|F2L}} | ||
− | + | | | |
− | + | === F2L 28 === | |
− | [[Image: | + | [[Image:F2L28.png]] |
− | {{Alg|U F' U' F U' (R U R')|F2L}} | + | {{Alg|(R U R' U') F R' F' R |F2L}} |
+ | {{Alg|(R U R') d (R' U2 R) |F2L}} | ||
+ | {{Alg|y' (R' U R U')(R' U R)|F2L}} | ||
+ | {{Alg|(R U R') U (F' U2 F)|F2L}} | ||
+ | {{Alg|R U2 l U' R' U l'|F2L}} | ||
+ | {{Alg|(R U R') U l2 F' l' U l'|F2L}} | ||
+ | {{Alg|(F' U F2)(R' F' R)|F2L}} | ||
+ | {{Alg|(U2) R' F R F2 L' U2 L F|F2L}} | ||
+ | {{Alg|(R U' R') U' (R' F R F') (R U' R')|F2L}} | ||
+ | |-valign="top" | ||
| | | | ||
− | === | + | === F2L 29 === |
+ | [[Image:F2L29.png]] | ||
− | + | {{Alg|y' (R' U' R U)(R' U' R)|F2L}} | |
− | + | {{Alg|U2 (R U' R') y' (R' U' R)|F2L}} | |
+ | {{Alg|(R' F R F')(R' F R F')|F2L}} | ||
+ | {{Alg|M' U R U' r' U (R U' R')|F2L}} | ||
− | + | | | |
− | + | === F2L 30 === | |
− | [[Image: | + | [[Image:F2L30.png]] |
− | {{Alg|U2 (R U | + | {{Alg|(R U R' U')(R U R')|F2L}} |
+ | {{Alg|U2 (F' U F)(R U R')|F2L}} | ||
+ | {{Alg|U' (R U2 R')U2 (R U R')|F2L}} | ||
− | | | + | |-valign="top" |
+ | |} | ||
− | == | + | ==Edge in Place, Corner in U face== |
− | ===== F2L 31 | + | {|border="0" width="100%" valign="top" cellpadding="3" |
+ | |-valign="top" | ||
+ | | | ||
+ | === F2L 31 === | ||
[[Image:F2L31.png]] | [[Image:F2L31.png]] | ||
+ | {{Alg|(R U' R') d (R' U R)|F2L}} | ||
{{Alg|(R U' R' U)(F' U F)|F2L}} | {{Alg|(R U' R' U)(F' U F)|F2L}} | ||
+ | {{Alg|U' R' F R F' R U' R'|F2L}} | ||
+ | {{Alg|R U' l U' R' U l'|F2L}} | ||
+ | {{Alg|F2 r U r' F R U' R'|F2L}} | ||
+ | {{Alg|R U2 R' U' F R' F' R|F2L}} | ||
+ | {{Alg|R U' R B' R' B R'|F2L}} | ||
+ | | | ||
− | + | === F2L 32 === | |
[[Image:F2L32.png]] | [[Image:F2L32.png]] | ||
{{Alg|(R U R' U')(R U R' U')(R U R')|F2L}} | {{Alg|(R U R' U')(R U R' U')(R U R')|F2L}} | ||
+ | {{Alg|(U R U' R')(U R U' R')(U R U' R')|F2L}} | ||
+ | {{Alg|U2 R d' R U R' d R'|F2L}} | ||
+ | {{Alg|U R d' R U2 R' d R'|F2L}} | ||
+ | {{Alg|R2 U R2 U R2 U2 R2|F2L}} | ||
+ | {{Alg|U2 R2 U2 R2 U' R2 U' R2|F2L}} | ||
+ | {{Alg|(R U2 R') (F' U2 F) U' (R U R')|F2L}} | ||
− | |||
− | |||
|-valign="top" | |-valign="top" | ||
| | | | ||
− | ==== | + | === F2L 33 === |
+ | [[Image:F2L33.png]] | ||
+ | |||
+ | {{Alg|U' (R U' R') U2' (R U' R')|F2L}} | ||
+ | {{Alg|y U' L' U' R' U L U' R|F2L}} | ||
+ | {{Alg|(U' R U' R') U2 (R U' R')|F2L}} | ||
+ | {{Alg|y U' (L' U' L) U2 (L' U' L)|F2L}} | ||
+ | {{Alg|U y F U R U R' U' R U' R' F'|F2L}} | ||
+ | {{Alg|(U' F' U' F) U2 (F' U' F)|F2L}} | ||
+ | {{Alg|y' U' R D R' U R D' R'|F2L}} | ||
− | + | | | |
− | |||
− | + | === F2L 34 === | |
+ | [[Image:F2L34.png]] | ||
− | + | {{Alg|U (F' U F) U2 (F' U F)|F2L}} | |
− | + | {{Alg|U' (R U2' R') U (R U R')|F2L}} | |
+ | {{Alg|U (R U R') U2 (R U R')|F2L}} | ||
+ | {{Alg|d (R' U R) U2 (R' U R)|F2L}} | ||
+ | {{Alg|y (U L' U L) U2 (L' U L)|F2L}} | ||
+ | {{Alg|U y F U2 R U2 R' F'|F2L}} | ||
+ | Back right slot open: | ||
+ | {{Alg|E' R U R' E|F2L}} | ||
+ | {{Alg|E' U' F' U F E|F2L}} | ||
− | |||
+ | |-valign="top" | ||
| | | | ||
− | ==== | + | === F2L 35 === |
+ | [[Image:F2L35.png]] | ||
+ | |||
+ | {{Alg|(U' R U R') d (R' U' R)|F2L}} | ||
+ | {{Alg|U2 (R U' R') U' (F' U' F)|F2L}} | ||
+ | {{Alg|U M' U R U' r' R U' R'|F2L}} | ||
+ | {{Alg|U' l U' R U l' U R'|F2L}} | ||
− | + | | | |
− | [[Image: | + | |
+ | === F2L 36 === | ||
+ | [[Image:F2L36.png]] | ||
− | {{Alg|(R U' R' U)(R U' R')|F2L}} | + | {{Alg|d (R' U' R) d' (R U R')|F2L}} |
+ | {{Alg|y U2 (L' U L) U (F U F')|F2L}} | ||
+ | {{Alg|U F' U' F U' (R U R')|F2L}} | ||
+ | {{Alg|U2 (R' F R F') U2 (R U R')|F2L}} | ||
− | = | + | |-valign="top" |
− | + | |} | |
− | + | ==Edge and Corner in Place== | |
+ | {|border="0" width="100%" valign="top" cellpadding="3" | ||
+ | |-valign="top" | ||
| | | | ||
+ | === F2L 37 === | ||
+ | [[Image:F2L37.png]] | ||
− | + | Solved | |
− | + | | | |
− | |||
− | + | === F2L 38 === | |
− | + | [[Image:F2L38.png]] | |
− | + | {{Alg|(R' F R F') (R U' R' U) (R U' R' U2) (R U' R')|F2L}} | |
− | + | {{Alg|(R U' R') d (R' U2 R) U2' (R' U R)|F2L}} | |
+ | {{Alg|(R U R') U2 (R U2 R') d (R' U' R)|F2L}} | ||
+ | {{Alg|(R2 U2) (F R2 F') (U2 R' U R')|F2L}} | ||
− | + | Back right corner free- D' R U R' F R' F' R | |
− | |||
− | |||
− | |||
|-valign="top" | |-valign="top" | ||
| | | | ||
− | ==== | + | === F2L 39 === |
+ | [[Image:F2L39.png]] | ||
+ | |||
+ | {{Alg|(R U' R') U' (R U R') U2 (R U' R')|F2L}} | ||
+ | {{Alg|y' (R' U' R) U2 (R' U R U') (R' U' R)|F2L}} | ||
+ | {{Alg|y (L' U' L) U2 (L' U L U')(L' U' L)|F2L}} | ||
+ | {{Alg|(R U R' U') (R U2 R') U' (R U R')|F2L}} | ||
+ | {{Alg|(R U2 R' U2) (R U2 R' U') R U R'|F2L}} | ||
+ | {{Alg|R U' R' F2 L' U' L U F2|F2L}} | ||
+ | {{Alg|(R2 U2) (R' U' R U') (R' U2 R')|F2L}} | ||
=== F2L 40 === | === F2L 40 === | ||
Line 297: | Line 568: | ||
{{Alg|(R U' R' U)(R U2' R') U (R U' R')|F2L}} | {{Alg|(R U' R' U)(R U2' R') U (R U' R')|F2L}} | ||
+ | {{Alg|(R U R') U2 (R U' R' U)(R U R')|F2L}} | ||
+ | {{Alg|(R U2) (R U R' U) (R U2 R2')|F2L}} | ||
− | = | + | |-valign="top" |
− | |||
− | |||
− | |||
− | |||
| | | | ||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
=== F2L 41 === | === F2L 41 === | ||
[[Image:F2L41.png]] | [[Image:F2L41.png]] | ||
+ | {{Alg|(R U' R') d (R' U' R U') (R' U' R)|F2L}} | ||
+ | {{Alg|R U' R' U' R U' R' d R' U' R|F2L}} | ||
+ | {{Alg|y (L' U' L U)(L' U L) U2 (F U F')|F2L}} | ||
+ | {{Alg|(R U' R) y (U R U' R') y' R2|F2L}} | ||
+ | {{Alg|F2 (L' U' L U) y (L U' L)|F2L}} | ||
{{Alg|R F (U R U' R' F') U' R'|F2L}} | {{Alg|R F (U R U' R' F') U' R'|F2L}} | ||
+ | | | ||
− | + | === F2L 42 === | |
+ | [[Image:F2L42.png]] | ||
− | + | {{Alg|(R U' R' U) d (R' U' R U') (R' U R)|F2L}} | |
+ | {{Alg|(R U' R' U2) y' (R' U' R U' R' U R)|F2L}} | ||
+ | {{Alg|(R U R' U') (R U' R') U2 (F' U' F)|F2L}} | ||
+ | {{Alg|y (L' U L) d' (L U L' U) (L U L')|F2L}} | ||
+ | {{Alg|R2 y (R U R' U') y' (R' U R')|F2L}} | ||
+ | {{Alg|(R U' R')(F' L' U2 L F)|F2L}} | ||
+ | {{Alg| R U (F R U R' U' F') R'|F2L}} | ||
+ | |-valign="top" | ||
+ | |} | ||
− | === F2L | + | == See also == |
− | [[ | + | * [[Keyhole First Two Layers]] |
+ | * [[Intuitive solving]] | ||
+ | * [[Advanced F2L]] | ||
+ | * [[ZBLS]] | ||
+ | * [[Fridrich Method]] | ||
+ | * [[Petrus Method]] | ||
− | + | == External Resources == | |
+ | === Beginner === | ||
+ | * [http://rishidoshi.blogspot.com/ RiDo's Hunting Story] Uses a simple analogy method for F2L, but not comprehensive | ||
+ | * [https://docs.google.com/document/d/1npPMcy2Vv-jjUB7wr0gHE0rESuwUgba_D7vT2OUzvTQ/mobilebasic?pli=1 Beginner's F2L: 3 steps for every case] Excellent F2L guide covering every scenario | ||
− | ===== F2L | + | === Standard === |
− | [[ | + | * [http://erikku.er.funpic.org/rubik/F2L.html Erik Akkersdijk's F2L Cases (from his old site)] |
+ | * [http://www.cubestation.co.uk/cs2/index.php?page=3x3x3/cfop/f2l/f2l Dan Harris's F2L Cases] | ||
+ | * [http://www.opticubes.com/cubing/f2l/ Opticubes.com Optimal F2L Cases] | ||
+ | * [http://jmbaum.110mb.com/f2l.htm Jason Baum's F2L Cases] | ||
+ | * [http://www.kungfoomanchu.com/#333speedcubing Andy Klise's Printable F2L PDF] | ||
+ | * [http://www.cubeloop.com/php/cube/advanced.php?chapter=f2l CubeLoop F2L Algs] | ||
+ | * [http://www.cubewhiz.com/pll.php Bob Burton's F2L Cases] | ||
+ | * [http://cubefreak.net/speed/advancedf2l/standard.php F2L algs for every case from all angles by Shotaro Makisumi] | ||
+ | * Youtube: [http://www.youtube.com/watch?v=J8Yl3lioY8c How to get faster at the 3x3 Rubik's cube - F2L] - by Feliks Zemdegs | ||
+ | * Youtube: [http://www.youtube.com/watch?v=k-xbcAMfWwM Rubik's Cube: Fridrich F2L explained] - by Badmephisto | ||
− | + | === Advanced === | |
+ | * Youtube: [https://www.youtube.com/playlist?list=PL83bqDZwr97mik_tbQrCJQQcXsb-wzC53 Expert F2L (Russian language)] - by Viktor Danilov | ||
+ | * [http://www.speedsolving.com/forum/showthread.php?t=15050 Erik Expert F2L tutorial] | ||
+ | * [http://cubefreak.net/advancedf2l/ Cubefreak Advanced F2L] | ||
+ | * [http://pagesperso-orange.fr/absolutemind/ms-angl.html Multislotting Tutorial] | ||
+ | == F2L Trainers == | ||
+ | [http://expertcuber.by/ ExpertCuber.by] | ||
+ | [[Category:3x3x3 other substeps]] | ||
− | + | __NOTOC__ |
Revision as of 08:45, 26 November 2016
|
First Two Layers, or F2L are normally the first two bottom layers of the 3x3x3 cube, or essentially all layers up until the last layer on larger cubes.
The definition is a little different depending on the subject or who you are talking to. Usually, it refers to the part of the CFOP and CFCE methods that solve the first two layers in pairs, excluding the cross step.
2-gen F2L, most pairs (30:42) have the edge sitting in the U-layer having two orientations, it shows R or F colour at the side. If it is the R colour you can solve the pair using only RU and if it is the F colour you can turn the cube (y') and sovle the pair to the back slot using only RU. The only pairs that needs both R and F turns are the six ones with the edge unoriented in the slot, if the edge is oriented in the slot both ways works.
Approaches
Petrus F2L
Another way to solve the 'F2L' is by building blocks, common during the first two layers of the Petrus method.
Fridrich F2L
There are many ways to solve the 'F2L' on a cube. A common system is using the Fridrich method first two layer approach. After solving the cross, a corner-edge pair is paired up, and then inserted into the correct slot. A total of four corner edge (or 'CE') pairs are made and inserted to solve the first two layers.
The concept of pairing up four corner/edge pairs was first proposed by René Schoof in 1981.
F2L |
Easy Cases
F2L 1
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F2L 2
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F2L 3
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F2L 4
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Reposition Edge
F2L 5
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F2L 6
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F2L 7
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F2L 8
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Reposition Edge and Flip Corner
Split Pair by Going Over
F2L 15
Front left slot open: U (R U' R') D (R U' R') D' Back right slot open: U' (R' U R U') (R U R') F2L 16
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F2L 17
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F2L 18
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Pair Made on Side
F2L 19
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F2L 20
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F2L 21
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F2L 22
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Weird
F2L 23
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F2L 24
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Corner in Place, Edge in U Face
F2L 25
If the back right slot is open:
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F2L 26
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F2L 27
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F2L 28
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F2L 29
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F2L 30
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Edge in Place, Corner in U face
F2L 31
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F2L 32
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F2L 33
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F2L 34
Back right slot open:
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F2L 35
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F2L 36
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Edge and Corner in Place
F2L 37Solved |
F2L 38
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F2L 39
F2L 40
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F2L 41
|
F2L 42
|
See also
External Resources
Beginner
- RiDo's Hunting Story Uses a simple analogy method for F2L, but not comprehensive
- Beginner's F2L: 3 steps for every case Excellent F2L guide covering every scenario
Standard
- Erik Akkersdijk's F2L Cases (from his old site)
- Dan Harris's F2L Cases
- Opticubes.com Optimal F2L Cases
- Jason Baum's F2L Cases
- Andy Klise's Printable F2L PDF
- CubeLoop F2L Algs
- Bob Burton's F2L Cases
- F2L algs for every case from all angles by Shotaro Makisumi
- Youtube: How to get faster at the 3x3 Rubik's cube - F2L - by Feliks Zemdegs
- Youtube: Rubik's Cube: Fridrich F2L explained - by Badmephisto
Advanced
- Youtube: Expert F2L (Russian language) - by Viktor Danilov
- Erik Expert F2L tutorial
- Cubefreak Advanced F2L
- Multislotting Tutorial
F2L Trainers