This of course makes the puzzle lose its "flat" appearance and you can scarmble it into different shapes. The Super Floppy Cube is almost identical to the Floppy Cube only it also allows "jumbling" - turning the edges independantly from each other, making it possible to move the corners around and even put all of them around a single edge piece. In 2009, the inventor of this puzzle, Katsuhiko Okamoto, also invented its successor, the " Super Floppy Cube". A quick computer analysis shows that while most of these combinations can be solved in 4 or 5 moves, the maximum amount of moves required to solve this puzzle is 8 (for the single case of the superflip pattern). This fact results in a very small amount of possible combinations for this puzzle - only 192. The interesting thing about the Floppy Cube is that its edges can flip but not move, while its corners can move but not be flipped in place (their orientation is determined by their position). The wonky shape of the center piece while twisting the edge pieces is what gives the puzzle its name. The name "Floppy Cube" comes from the fact that in order for the mechanism to function properly, the middle square bends slightly upward and downwards to allow for the turning of the side pieces. The puzzle is manufactured by Gentosha Toys since 2009. It was originally invented in 2004 by Katsuhiko Okamoto, a Japanese inventor specializing in Rubik's Cube modifications. The puzzle consists of 9 cubes ordered as a 3x3 square grid and colored accordingly. (Note: If you are having problems disassembling your cube by popping an edge piece then here is a video that will help.You can think of the Floppy Cube as basically the middle layer of a Rubik's Cube. Let's get started.įor an anatomy lesson of the cube, and an overview of the 5-step solution have a look at this introductory video. RUBIKS CUBE FLIP ONE SQUARE ONLY HOW TOSequences listed above, understanding how they work, and how to use them to solve the cube. The focus here will be on learning these four types of move However, in this basic solution I do hope to give you a feel for why commutators are useful, so in steps 4 and 5 I will discuss how these four move sequences were built. This lecture gives you the necessary foundations to build your own move sequences for a variety of other puzzles. I won't go into any more details on commutators in this section, but if you want to learn more about commutators see Lecture 13 of the course notes. The main point here is that the four move sequences had to be created, and commutators were a natural form to make them since a lot is known about commutators. Such as cycling three corners in the opposite direction. The use of brackets above is to draw your attention to the structure of the sequence, all these move sequences have the same form: $\alpha \beta \alpha^ = $, which helps when you want to apply the inverse of one of the sequences above. However, some will benefit from a walk-through, so over the next few pages we'll go through the solution and I'll show you how and when to use these sequences. In which case, a video like this one would suffice to demonstrate how to solve the cube. For most puzzles on this site I would list basic move sequences like the ones below and stop there, leaving it to reader to use them to solve the puzzle. Move sequences you'll be able to build your own move sequences and solve a variety of other puzzles.įor reference, below are the four types of move sequences we'll use to solve the cube ( pdf). If you learn these four types of move sequences you'll be able to solve the cube from any configuration. flipping a pair of edge pieces (for orienting edges).cycling 3 edge pieces (for permuting edges).twisting a pair of corner pieces in opposite directions (for orienting corners).cycling 3 corner pieces (for permuting corners).It can be solved using only four types of move sequences: It may be surprising to learn that very little memorization is required to solve Rubik's Cube.
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