How to solve a 3 x 3 Rubik's Cube

 A Rubik’s Cube is a popular 3D combination puzzle invented in 1974 by Ernő Rubik. It is made of small colored squares arranged on a cube. The most common version is the 3 × 3 × 3 cube, which has six colored sides.

How it works

• Each side has 9 squares of the same color when solved.
• The rows and columns can be twisted and turned.
• The goal is to mix the colors and then return every side to a single color.

Main Features

• Improves memory and concentration
• Develops problem-solving skills
• Enhances logical thinking and patienc

Guidelines to solve the Rubik's Cube

Step 1:  Put middle white at the base so that middle yellow is at the top 

Step 2: Arrange all the white around the yellow middle as shown in the figure above.

  

Step 3: Match blue edge of white with the blue middle on the side face and then rotate this face down and match with the middle white at the bottom. Similarly repeat the same with other colors and then complete the "+" of white color at the base.

Step 4: Now keep the "+" white at the base and bring all the white at the base to complete one face with white color. For this do the following step.

Step 5: Bring white "+" at the base and bring the corner with white face as shown above and match the other blue face of the corner with middle blue of side face and apply the following algorithm.

Upper ←  Right ↑  Upper →  Right  ↓

Similarly repeat the same algorithm after putting all white corner at the top so that all whites are arranged at the bottom as shown below.

Upper →  Right ↑  Upper ←  Right  ↓

Step 6 : Now we have to arrange all the edges at the proper places (match with the middle one). Put the green edge at the top and match the color with the middle green. Top red face should shift away the  side of the cube  whose middle red matched with the top red

Here we use the following algorithm.

Upper →  Right ↑  Upper  ←   Right  ↓

Step 6 : Now again one white reached at the top. Place it at the proper place by using the algorithm of step 5

Step 7: Now repeat the same algorithm with all the edges till the edges are properly arranged and the second layer completely solved.

Making + on the top yellow face 

Front → Top ←Right ↑ Top →Right ↓Front←

OR

Front ← Top →Left ↑ Top ←Left ↓Front→

After making + at the top with yellow colour, now we have to correct the middle edges of the third row

R↑ U← R'↓U←R↑U2← ←R'↓

OR

R↑U2←←R'↓U'→R↑U'→R'↓

These algorithms make the top edges at the proper place

Now we have to correct the top cormers 

I we start from the correct corner then use the following algorithm

U←R↑U'→L↑U←R'↓U'→L'↓

Start this algorithm from U if left corner is correct otherwise we can start from R

When all the corners are correct then invert the cube (white up and yellow down) and keep the unsolved corner at the right side the use the following algorithm till the corner is solved.

R↑U←R'↑U'→

When corner at the bottom is solved then rotate the bottom and bring the unsolved corner at the right bottom again use the algorithm untill the corner is solved 

RUR'U'

Use the same algorithm with all the corner till the cube is solved.

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