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In a Rubik's cube, every legal move swaps a even number of dowels, so any legal configuration can be obtained only with a even number of swaps. The 2x2x2 Rubik's Cube - Beginner's Solution. Let’s start with these 2 cases. 2) Executing the two opposite edge swap. 9 Step 7 : Orient the edges. For this reason, the next PLL cases to learn are the other cases with a diagonal corner swap: n7, n9, n20, n21. There are 12 Dedges, each with two cubies of the … We have almost finished solving the Rubik's Cube, only the yellow corners are left. Algorithm. r ² U ² r ² U ² u ² r ² u ². The first extensive, popular account of the mathematics of symmetry and order, The Equation That Couldn't Be Solved is told not through abstract formulas but in a beautifully written and dramatic account of the lives and work of some of the ... Solve the top points and crosses 2. If the first two layers are solved, you see 0 or 2 or 4 edge pieces showing yellow to the top. White cross] Alexander's Star is a puzzle similar to the Rubik's Cube, in the shape of a great dodecahedron. You might have met other solution method, particularly the most common vanilla "layer by layer" method. Brand Theory Revisited. Everything I have tried doesn't work. 2. 6 Step 4: A cross on the last layer too ! That's not to say that solving the cube doesn't make you a hero. This A to Z resource provides endless exploration into the world of numbers. Once you have finished the 3x3x3 reduction method you will be able to solve your cube as if it were a Standard Rubik's Cube, except for a few situations known as parity errors. Concentrating on the practical value of recursion. this text, the first of its kind, is essential to computer science students’ education. In this text, students will learn the concept and programming applications of recursive thinking. I'm glad you find this tutorial useful. Now insert (using F2L,) the corner with one … Wait for the program to find the solution then follow the steps to solve your cube. Thankyou. If it is where is it? Hofstadter's collection of quirky essays is unified by its primary concern: to examine the way people perceive and think. Home | Overview | Get to know the cube | step 1 | step 2 | step 3 | step 4 | step 5 | step 6 | step 7 | step 8 | Formula | my Youtube. Orientation. The goal of the second step is to pair up the Double Edge (Dedges). LS3 Heidelberger, Travis on August 30, 2011: this guide was very well writen and is now going to help me to put the steps to memory, thank you. It is possible to swap two edge pieces as per your diagram, but only if you also swap two corner pieces. ... SpeedSolving.com is a community focused on speed-solving puzzles, particularly the Rubik’s cube and alike. In the images, a movement (x) is shown with a double-arrow, please be careful. Its core mechanism is a small stellated dodecahedron. Hold the cube so that the edges to solve are on the Up layer. (The Corner Piece shown in the images it's a reference for the color of each face). Alexander's Star was invented by Adam Alexander, an American mathematician, in 1982. 1) A single edge-pair is "flipped". These are last two edges cases on a 5x5 cube. Using this guide, you will solve the Rubik’s Cube layer FACES Each flat surface is a face. 2R' U2 2L F2 2L' F2 2R2 U2 2R U2 2R' U2 F2 2R2 F2. For upper level courses on Automata. Step 2 - the white cross. SpeedSolving.com is a community focused on speed-solving puzzles, particularly the Rubik’s cube and alike. It was patented on 26 March 1985, with US patent number 4,506,891, and sold by the Ideal Toy Company. Use the following algorithm to place the edge pieces and to complete the second layer. It will show all the possibilities that a Cube may have and all of their solutions for about 40 minutes. The image of the incomplete cross was erroneous. Once you have three incorrect Dedges, you can permute them Clockwise or Counter-Clockwise as in the 3x3x3 Rubiks Cube. I saw your video on youtube, and it works, I can't figure out the problem!! I don't understand why people keep bringing up centers when talking about a void cube, a cube, To clarify: I wasn't talking about the video (didn't watch it much) but about the posts saying. There are two algorithms for corners (n3 and n15) and four for edges (n1, n2, n5, n6). Filled with activities that appeal to the kid and the kid-at-heart, these identical books are designed so that a parent and child can capture memories, share interests, and collaborate on silliness at the same time Created by Erin Jang ... Is there a trick for 3 sticker recognition method for the sune/antisune CMLL/COLL sets. See all steps Step 3: How to solve the second layer of the Rubik's Cube (F2L) Until this point we could work intuitively without any algorithm to memorize, but in this stage when we're solving the second layer (first two layers - F2L) of the Rubik's Cube people usually get stuck because there are too many moves to foresee in order to complete this step. Hold your cube so that the pieces are in the upper-front and upper-back position. In the case here, have the orange face pointed directly at you an... Algorithm Engineering is a methodology for algorithmic research that combines theory with implementation and experimentation in order to obtain better algorithms with high practical impact. In step Permute the Top Layer Corners, you will have a parity error if you have only two Corners to permute. Double Edges stand for pairs of edge cubies that make up a logical edge cubie of a Standard Cube.. i have been doing the 3x3 for about a month and needed something else to fill my time on deployment, thanks again. However, it is possible to swap 2 edges while swapping 2 corners. SOLVE THE WHITE CORNERS. In a nutshell, we swap two corners and two edges followed by swapping back the two edges. Step 4-b: Blue Edges. Answer: If there is only 2 corners left to swap then it is one of the 11, impossible parities of 3×3×3 Rubik's cube. PLL Parity is when you have 2 pieces swapped in a way that is impossible on a 3x3, and happens on 50% of solves. An oldy but goody. Found inside – Page 101As a result , the edge cube that stood in the front right position of the middle layer will move to the top layer , and can now be ... If we are not so lucky then we will have to swap two neighbouring corners or two opposite ones . These are the possible cases: There are 12 Dedges, each with two cubies of the same combination, so we have 24 edge cubies in total. This book contains over 100 problems that have appeared in previous programming contests, along with discussions of the theory and ideas necessary to attack them. If there are two white edges in the top face of the Rubik’s Cube, apply one of the following solutions depending on whether the edges are one beside the other or on the opposite side. Here is a small step by step guide, based off of the Petrus Method, that may help you: To do this, first orient 3 centers in the proper direction (so you have yellow to blue, blue to red, red to yellow) on the 3 edges going clockwise. At once a programming course that emphasises object-oriented thinking as well as a well-documented, versatile, and robust geometry library. I have even tried getting the parity errors mentioned above, but I still cannot solve it. the first layer - white side in this example) on the bottom. It may not display this or other websites correctly. Have the matching side face forward. If I understand correctly, you have two Dedge pieces in the bottom of the cube to permute. For a better experience, please enable JavaScript in your browser before proceeding. 3. It is very good, the details are said clearly. EDIT: As others have pointed out, there are only two. This method is an alternative with many advantages. Case 3: No edge is right. I did it around 10 times but after the steps the whole cube is somehow twisted. A Rubix Cube is an interesting puzzle invented by ‘Erno Rubik’ which has 43 quintillion possible configurations. Two edge pieces cannot be swapped, either adjacently or opposite on a 3x3 Rubik's cube. I highly recommend learning them because not only can they be used on 5x5 they can be used on bigger cubes and cuboids making them very useful to learn. Note: In the event that you do not see the video, please click here. Thank you for your kind words. rubik’s cube. At this point only the yellow corners remained unsolved which we are going to sort out in two steps. Solving Edge-Piece Placement. This book is a collection of articles in honor of Judea Pearl, written by close colleagues and former students. This book introduces a new logic-based multi-paradigm programming language that integrates logic programming, functional programming, dynamic programming with tabling, and scripting, for use in solving combinatorial search problems, ... It is important to start every trick with a solved cube. A series of Rubik’s Cube tutorials for people who have only just learnt to solve the cube using the beginners method. The cube will be in one of the following states. Learn n4, the reflection of n3. I know all the notations, but I still cannot get them to work. yes you can, i do it top down way, my link https://hubpages.com/games-hobbies/now-on-to-the-4... doing it this way you have just one Parity Error. Once you have the two matching edge elements in place you will need an unmatched pair on the up face on the side that has the lower layer element of the pair you are about to match. Its because you solved the cross on an adjacant face, since it is impossible to cycle the centers in steps of 90 degrees. I have been able to apply the method used in the 3x3 for the two steps before I get to the one last corner. Using only practically useful techniques, this book teaches methods for organizing, reorganizing, exploring, and retrieving data in digital computers, and the mathematical analysis of those techniques. Look for two Edge Pieces and locate one piece in the Front Face and another in the Back Face (Case A) or one piece in the Right Face and another in the Left Face (Case B) . Let's not call it the Rubix Cube. I've found these extremely helpful, except I don't think that the corner parity error solves are misprinted. 8 years of insights condensed into one website to help you master the Rubik's Cube, Your Goal - move the edges such that the sides of the Rubik's Cube are matching as shown above, Back view of the Rubik's Cube after this step. Frank W Choate Jr from FEDERAL WAY, WA on May 12, 2011: The top three layers is great he can do it. The price quickly rose as its popularity grew, but by the mid-80s the Rubik's Cube fad had tapered off. 7 Step 5 in how to solve the Rubik's cube : edges permutation. You are using an out of date browser. Step 1 - a white lily on the Rubik's Cube. Holding your Rubik’s Cube To “flip the edge,” so the White tile is on the UP face, hold your Rubik’s Cube so the edge that needs to be flipped is on the RIGHT (R) face. The end result is consequently only two swapped corners. These algorithms are for two separate cases. We recommend you repeat each stage a number of times to. This volume constitutes the proceedings of the 9th International Conference on Simulated Evolution and Learning, SEAL 2012, held in Hanoi, Vietnam, in December 2012. SpeedSolving.com is a community focused on speed-solving puzzles, particularly the Rubik’s cube and alike. In some cases two opposite pieces have to be swapped which needs to be done in two steps. I’ll assume that you are able to solve a standard Rubik’s cube and that your trouble lies with the permutation of the last layer on a 4x4x4 specifically. Two opposite edges match its side, but the two edges on the left and right sides are not. The algorithms are all simple, in the main three rotations, a side face rotation away from the up face, a front face rotation of 90 or 180 degrees and the same side face rotated back toward the up face. You didn't mentioned the parity error which is the possibility in 4x4 cube. PLL Parity is when you have 2 pieces swapped in a way that is impossible on a 3x3, and happens on 50% of solves. Swap 2 Edges Across. The side of the cube with the edge piece that needs to be rotated is going to be your Front (F). Rubik's Cube When the colorful brain teaser hit the U.S. market in the early 1980s, it originally retailed for $1.99 ($6.34 at the inflation-adjusted price), reports TheChive.com. get familiar with the process. Found inside – Page 59Rubik's Cube, Merlin's Machine, and Other Mathematical Toys David Joyner. Möbius - superflip game ' : The rules for this version are the same except the condition that two edges are flipped is to be replaced by any number of edges less ... HubPages® is a registered trademark of Maven Coalition, Inc. Other product and company names shown may be trademarks of their respective owners. Switch 2 edges. Turn the top layer once, there should now be only one side matching. But don’t worry, here are some videos to help you master this difficult puzzle. On January 30, 1975 Ernd Rubik j r., professor of architecture and design in Budapest, was granted the Hungarian patent number 170062 for a "terbeli logikai jatek"--A game of spatial logic. Competitions and unofficial meetups are organized all over the world on a weekly basis. Feel free to pause and replay as much. In order to fix this, solve the cube firstly and identify the two pieces that are unsolvable. First, move the other flipped edge to the opposite side. First we have to relocate them and we'll orient them in the final step . Finish The White Face. Youtube video When your Rubik’s Cube has a white cross with the center and edge pieces matched, like this picture, you can move to Step 3 ! The reduction method is the most popular 5x5 method and was used to set the current world record. Rotate the top layer of the Rubik’s Cube until there are two edges that coincide with their centers colors. Great tutorial! Therefore, it should be clear that we just started with a modified PLL algorithm which broke up the four wing edges rather than keeping them paired in two composite edges like regular PLL algorithms do.) This book covers elementary discrete mathematics for computer science and engineering. I see no problem with the movements, they are even similar to those of the video. Center Cube Swap. allign the two edges up right next to each other, then turn the left or right sides in order to put the edges you ligned up on the top, the move the ligned up edge out of the way (turn the top clockwise or counterlockwise) and then pull the side back … Opposite Centers: To swap two opposite centers (top and bottom) without moving the corners nor egdes, you can use: r2 U2 r2 U2 M2 U2 l2 U2 l2 If you don't like Cube notations (like me), here the same algorithm with symbols instead: Here a shorter alternative with the same result (pure top and bottom): r2 S2 r2 S2 - Your incomplete cross, looks like the one shown in the image? You are welcome here. Pick a center piece to represent the first side of the cube … I sometimes have a problem when doing the last edge pieces. nah i knew the trick already but yeah shouldn't have put that emoticon. After a concise introduction to the CUDA platform and architecture, as well as a quick-start guide to CUDA C, the book details the techniques and trade-offs associated with each key CUDA feature. There are 8 corner cubies which lie on the corners of three faces. Once the corner pieces are correctly positioned, you can only swap "double pairs" of edge pieces, including rotating a set of three edge pieces. Period. Written by Magnus Lie Hetland, author of Beginning Python, this book is sharply focused on classical algorithms, but it also gives a solid understanding of fundamental algorithmic problem-solving techniques. PLL parity specifically occurs because two adjacent edge pieces are swapped diagonally with 2 other adjacent edge pieces. In this video I teach the Reduction Method. Step 2: Block 2. This is a case you more than likely already know but I felt it only made sense to include it anyways. From the author of the New York Times bestseller The Inevitable— a sweeping vision of technology as a living force that can expand our individual potential In this provocative book, one of today's most respected thinkers turns the ... Now you know How To Solve A 4x4x4 Rubiks Cube. The move (in both algoritms) should be in the opposite direction. Unlike the original 3x3 cube, the 4x4x has no fixed centre pieces and so it is even harder to solve!! The Basic Movement Notations! Understanding the basic move notations are essential to understanding the algorithms. Each notation designates one of... Case 1: Adjoining edges. If this is the only correct face skip to step 2. You can stop by and share your Rubik's Cube experiences whenever you want. If BLUE is Front and ORANGE is Left do: Moving the orange edge to the opposite side: L', B' Combo to remember: 4x(M' U), 4x(U M') Moving back the orange edge to where it was: B, L; Basically you can flip sides on any two edges anywhere using this method. https://hubpages.com/games-hobbies/now-on-to-the-4... Hairstyles, Cool Cuts, How to Style Your Hair. 6. You must log in or register to reply here. Hi, I had some difficulties to pair up the edges by using your algoritms. R’ U F’ When your Rubik’s Cube has a daisy that looks like this picture, you can move to Step 2! 2) Rotate the upper face 90 degrees U. With millions of cubes out there and countless would-be champions looking for tips to improve their times, this is the definitive manual for this unique sport. Step 5 - making a yellow cross on the top of the Rubik's Cube. Once you have taken out an edge, it’s easy to take out the rest of the pieces you need to change. This video focuses on the swapping the edges when they are all in their opposite locations but oriented correctly. This puzzle was invented by Rubik Erno before the 80s and was patented on March 29, 1983. There are 6 faces on a palm flat Rubik’s Cube. Make white top, and find to of the same edge pieces, and lign them up like in the picture above and to the left. Anyway, when solving the Rubiks cube, no method is the only method. There are 4 edge pieces with white (ie. the 4 arms of the cross) which have specific positions. You can't put any white edge piece in an arm of the cross because the other colour on the edge cubie must match up with it's centre on the middle layer. Here is a pic of what a correctly formed cross look like.. I did it that whay and it worked then, plz take a look at it. 1. Flip 2 Cubies. Front. believe that anyone who can solve the Rubik's cube is a genius. eg: presuming yellow is on the top of my cube, my bottom red&white edge is in my blue side and my blue&white edge is in my red side but my orange and green sides are perfect. Generally you can't recognize it until you are at the PLL stage of solving. It is possible to swap two edge pieces as per your diagram, but only if you also swap two corner pieces. Once the corner pieces are correctly posit... This book will provide an enjoyable and accessible introduction to algorithmic puzzles that will develop the reader's algorithmic thinking. The first part of this book is a tutorial on algorithm design strategies and analysis techniques. Solving the 5x5x5 (Professor) Cube Solving the 5x5x5 (Professor) Cube These instructions can be used to solve a 5x5x5 cube, also known as the professor cube due to its difficulty. To solve this we need to first put the edges in such a way that one of them is correctly permuted. Hold the cube so that the two edges you need to swap are in the front top right, and back front top positions. Orienting the LL edges. To fix this, do the PLL Parity Algorithm once: 2R2 U2 2R2 Uw2 2R2 Uw2 2R (big cube notation) means to turn the 2nd layer from the right side. Step 3 - finishing the first layer. • Step 2: Place the corners -- Part 1. 2-3Rw' U2 2-3Lw F2 2-3Lw' F2 2-3Rw2 U2 2-3Rw U2 2-3Rw' U2 F2 2-3Rw2 F2. Like edges, no two opposite colors can ever be on the same corner. See all steps Step 3: How to solve the second layer of the Rubik's Cube (F2L) Until this point we could work intuitively without any algorithm to memorize, but in this stage when we're solving the second layer (first two layers - F2L) of the Rubik's Cube people usually get stuck because there are too many moves to foresee in order to complete this step. 5) Rotate the right face 90 degrees R. 6) Rotate the left face L’. You may need to do this more than once to move the edges such that all sides match as shown above. 1. Case 3: No edge is right. Position the cube with the daisy facing up and the green-white edge facing you. LAYERS There are three horizontal layers in a 3x3 Rubik’s Cube. Two adjacent corners are solved. Written by an Intel engineer with over two decades of parallel and concurrent programming experience, this book will help you: Understand parallelism and concurrency Explore differences between programming for shared-memory and distributed ... These fascinating tales follow every element on the table as they play out their parts in human history, and in the lives of the (frequently) mad scientists who discovered them. Parity Cases Rw U2 x Rw U2 Rw U2' Rw' U2 Lw U2 3Rw' U2' Rw U2 Rw' U2' Rw' Rw U2 Rw U2' x U2 Rw U2' 3Rw' U2 Lw U2' Rw2 F2 Rw U2 Rw U2' Rw' F2 Rw' U2 Rw' Finishing the solution of the Rubik's Cube. It's caused by the centres not being in a solvable position. If you need help, see examples here. Time to do some tricks! In step Permute the Top Layer Edges, you will have a parity error if you have only two Degde to permute. Step 5: How to swap two yellow edges in the top layer? The same can be said for two corner pieces. Step 1. By knowing just a few simple algorithms, it is possible to solve a Rubik’s cube. thank you, You have done a wonderful job. This is not possible . You can swap two edges and two croners at the same time or cycle three edges . Or swap two pair of edges but you can't swap... If the pieces are like it is shown, make these moves (the colors are only for reference): When you have same color in same face, make these moves: If you still have difficulties, in the following video you will see the movements explained before. Many of these techniques contain public domain implementations, complete and ready-to-run, in the C language. Annotation copyrighted by Book News, Inc., Portland, OR Step 2 - the white cross. and lower case if u turn both. After solving the first two centers on opposite sides, hold them on the left and right hand side of the ... have 5x5 edge parity, which requires you to swap two wing pieces using the following algorithm: ... Congratulations on solving the 5x5 Rubik’s cube! Step 6 - moving the edges to match the sides. The book covers a wide range of algorithms, representations, selection and modification operators, and related topics, and includes 71 figures and 135 algorithms great and small. 2. Basically, your cube is wrongly assembled. Yellow edges in a row. Sometimes the algorithm has to be applied twice. I can think of a Rubik's-Cube subgroup with four two elements which commute with all other Rubik's cube elements: Identity; Super-flip (flip all the edges around) Super-swap (swap all the edges with their opposite) Super-flip + super-swap; Are there any others? correction, I do think they are misprinted, sorry. There are a total of 26 of these smaller cubes, also affectionately referred to as cubies. Created in 2006, the speedcubing community has grown from just a few to over 40,000 people that make up the community today. 5 step 3 : How to solve the second layer of the cube. If it did, please link to me on your blog or website and share it with your readers! JavaScript is disabled. Q: “How can I swap two adjoining edges on the Rubik’s cube without damaging the rest of the cube?” The Elegant Method uses only 2 moves, a Corner S... Parity. Orientation. In the previous step we created yellow cross on the top of the Rubik's cube but probably the yellow edges are not all fitting to the colors of the side center pieces. A corner has three different orientations, so even if it's in the right place, it may be misoriented ("twisted"). Yes this happens when the cube is wrongly assembled... I have had the same problem...Usually when you drop the cube or whatever and the center piec... Step 6 - … Step 6: Position yellow corners. I apologize once again. It came in two varieties: painted … You can do it … Step 1 - a white lily on the Rubik's Cube. My 8 yr old son has become a cube fan. I will use 5 algorithms and they are all written while performing them in video and written in the Lecture 3. In this stage of the Rubik's Cube solution we have have to fix this by repositioning these cubelets. Can it be solved his way? Absolutely. The first people to solve the cube would have done it without algorithms to memorise. Once you understand the simple principle of what... 8 Step 6 solving the cube : Permute the corners. Competitions and unofficial meetups are organized all over the world on a weekly basis. But you didn't know this, since you didn't know what colors the centers were, because its basically a void cube, with no centers. Reduction involves solving all the edges (matching up the pieces from the same edge to make one solved “edge”) and the centres, then solving the cube like a 3x3 (all of the edge pieces have been “reduced” to a single edge, and all of the centres have been “reduced” to one solid colour per face). This is something that never happens on a 3x3x3 - edge flips must always occur in pairs. Have a nice cubeing time :D. As long as the cube is positioned the same as pictured, the steps do work. :D, © How to solve a Rubik's Cube | Simple solution guide 2015, Step 1 - a white lily on the Rubik's Cube, Step 4 - solving the second layer of the Rubik's Cube, Step 5 - making a yellow cross on the top of the Rubik's Cube, Step 6 - moving the edges to match the sides, Step 8 - turning the corners and completing the Rubik's Cube, step 7 - moving the last 4 corners to the correct place. In the quarter of a century since three mathematicians and game theorists collaborated to create Winning Ways for Your Mathematical Plays, the book has become the definitive work on the subject of mathematical games. The white edges are solved and we have to fix the white corners to complete the first face. I suppose that you have confused a movement (x) with a movement (X). A2A You can’t, unless you take apart the cube. It’s something that’s impossible, described by the rules of group theory. It’s like saying: “How can... Just do an M and resolve the edges but not the centers. Now that the blue cross is solved, the next is to line up the blue edges with the correct face. Your cross is now solved! The method is split to two main steps: Solve all eight corners of the cube. Well i don't know eiter, but still thanks for looking it up. Holding the top layer in place, rotate the bottom 2 layers so the green edge is lined up with its center. Second layer. This should be done without disturbing the block built in step 1, using only R, r, M and U moves. Or swap two pair of edges but you can't swap just two edges without destroying the rest of the cube in any cube with odd number of layers . Follow the steps there. Here 1 and 2 are the color of the face they are attached to. 3) Rotate the bottom face 90 degrees B. Solve all twelve edges (and centers) while keeping the corners solved. And in 3×3×3 Rubik's cube it is not possible to solve this situation using algorthims, So just take both corners out, resemble them at correct permutation. Join HubPages . When you have solved the Centres and paired up the Edges, you can finish off the cube in the same way as a 3x3x3 Standard Cube. Hard to describe. I know how to solve a 3x3x3 cube and try to use the last step in solving that cube when I am trying to solve the 4x4x4. This seems to be a different approach than that advocated above. My bad. In... I should have said something like "[..] a Void cube, which has a parity case. There are many variations of the Rubix cube nowadays but the most basic one is the 3x3x3 Rubik’s cube.. A 3x3x3 Rubik’s cube is made by joining 21 pieces: 1 principle piece with three axles, 8 … but still nice explanation. In a nutshell, we swap two corners and two edges followed by swapping back the two edges. © 2021 Maven Media Brands, LLC and respective content providers on this website. If these are 2, then the two can be in adjacent or opposite position. 2- Turn the daisy into a white cross. Make sure when doing this move that you have an unsolved edge group in the position shown as light gray. It is really strange, provided that the incomplete cross is the same one. If they are edge pieces, put the edge pieces in the U (top) layer, and turn the 45 degrees. David Joyner uses mathematical toys such as the Rubik's Cube to make abstract algebra and group theory fun. This updated second edition uses SAGE, an open-source computer algebra system, to illustrate many of the computations. White cross [] White corners. Other algorithms can swap edges and rotate the orientations to match up correctly. If you don’t know how to move the pieces of the Rubik’s cube in a progressive way, it will be very difficult to solve for the ordinary person. I am really sorry I didn't see the page clearly you have mentioned the parity error. Once you have completed the first two layers ("F2L"), hold the cube so that the white side is on the bottom.

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