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Solving the Rubik’s Cube

Solving the Rubik’s Cube. Some Designs you can make once solved:. Terms and Notation. Yes this sounds boring, but without it, you can’t learn the: Algorithms, Permutations, Orientations, Formulas , Tricks, whatever you want to call them. (the series of movements). Terms Parts of a Cube.

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Solving the Rubik’s Cube

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  1. Solving the Rubik’s Cube

  2. Some Designs you can make once solved:

  3. Terms and Notation • Yes this sounds boring, but without it, you can’t learn the: • Algorithms, Permutations, Orientations, Formulas, Tricks, whatever you want to call them. (the series of movements)

  4. TermsParts of a Cube • Edge Piece • Corner Piece • CenterPiece

  5. Notation • If holding the cube with two hands with one side facing towards you • F: Front side (side facing you) • L: Left side (facing left hand) • R: Right side (facing right hand) • U: Up (or top) side • D: Down (or bottom) side • B: Back (or reverse) side

  6. Notation(cont.) For those of you who can picture in 3-D well Uside R side L side B side F side D side

  7. Notation (cont.) • F, U, L, R, B, D • Seeing any of these mean to turn the side the letter represents 90° CLOCKWISE

  8. Notation (cont.) • F’or Fi, U’or Ui, L’or Li, R’or Ri, B’or Bi, D’or Di • Seeing any of these mean to turn the side the letter represents 90° COUNTER-CLOCKWISE

  9. Notation (cont.) • F2, U2, L2, R2, B2, D2 • Seeing any of these mean to turn the side the letter represents 180° (either direction, doesn’t matter)

  10. So, can anyone figure out what: • “R-F’-U2-B2-D’-L” • Is telling someone to do?

  11. R - F’ - U2 - B2 - D’ - L • Left 90° Clockwise • Down 90° Counter Clockwise • Right 90° Clockwise • Front 90° Counter Clockwise • Back 180 ° Either Direction • Up 180 ° Either Direction

  12. The Cube • The Rubik’s Cube is solved layer by layer by the average solver. Many professional solvers (speed-cubers), have their own special orders that they solve the cube in, but for today, we’ll go with simple.

  13. Steps: • Solve First Layer (FL) “Cross” (edge pieces) • Solve FL Corners • Solve Second Layer (2L) Edges • Solve Last Layer “Cross” • Then from there, there are many orders you can solve in.

  14. Now, Finally we can start

  15. Step One: Solving the Cross on First layer • The pieces in between the center tiles on these pictures below are called EDGE pieces. • During this step you line up the EDGE pieces with a white tile on them between the centers with the same colors. • This is done on the first layer, usually the white side.

  16. Step Two: Solving the Corners on First Layer From this: • To finally, this. • To this

  17. To Start: • Take an edge piece with a white (or whatever color you are starting with) tile on it. • Line up the piece so that the white tile is on the first layer.

  18. Layer 2 • And when the second layer is done, it will look like this: • Your cube should now look somewhat like this:

  19. Only Step: Putting second layer edge pieces into place • Case 1: • Case 2: • Case 3: • If this is the case: • U-R-U’-R’- • U’-F’-U-F • If this is the case: • U’-F’-U-F- • U-R-U’-R’ • If this happens solve for case one or two anyway, and then start at beginning of layer two. • At advanced levels, there is a formula to fix this, but that’s for another day.

  20. Visual Example of Second Layer Formulas

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