# How to Solve a Rubik’s Cube

A three-dimensional mechanical puzzle developed by Hungarian architecture professor Erno Rubik, Rubik’s Cube has six sides with nine blocks on each side. In the traditional puzzle, the blocks bear different colors, namely yellow, green, blue, white, orange, and red. The objective is to make sure that each of the six sides of the cube has nine blocks that bear the same color. To attain the objective, it is important to have a background on how to solve Rubik’s Cube.

## Move Notations

Before proceeding with the instructions, you should have ideas about the move notations because these are important to learn how to solve Rubik’s Cube. To move the side of the cube in front of you in a clockwise manner, the notation to be used is front. However, to move the right and left sides of the cube in the same manner, the notations are right and left, respectively. Up and down are the move notations used to move the top and bottom sides clockwise. When moving the sides counterclockwise, the move notations are as follow, front inverted, right inverted, left inverted, up inverted, and down inverted.

## Algorithms

Aside from move notations, it is also helpful to know some of the basic and most significant algorithms in this puzzle. Algorithm refers to any sequence of move notations that when done repeatedly returns the cube to the original position. One of the important algorithms to know is the right inverted, down inverted, and right algorithm.

## Instructions

Look at the side of the cube that has a green centerpiece cube. Solve the green cross by following these simple instructions. First, look for the pieces that will fit the green cross one at a time. Before you can successfully get the piece in its appropriate position, you should put it directly to the piece underneath the position where it has to be. If ever you flip the cube in the wrong way, you can try the different algorithms to make sure that you get the piece in the right position without affecting the other pieces. Aside from the above-mentioned algorithm, another useful algorithm is front inverted, up, left inverted and up.

Afterwards, start looking for the remaining pieces that will fill in the corners of the side of the cube with the green cross one by one. To get the pieces in the right positions, place them underneath the pieces where they should be placed. If you do this successfully, you can solve one side, as well as the first layer of the cube.

Start solving the four pieces at the right of the four center pieces. Put the solved side at the bottom side by flipping the cube over. Solve the middle layer by performing different algorithms depending on the positions of the pieces. For instance if you want to get the piece to the left side, you can try this algorithm, up, right, up inverted, right inverted, up inverted, front inverted, up, and front.

As soon as the first two layers were solved, look at the top side of the cube. Solve the cross at this side using the steps mentioned above. In solving the cross, you can use another algorithm, which is the front, right, up, right inverted, up inverted and front algorithm. Make sure to line up the pieces in the other sides. Fill the four corners of the up side by using the algorithm right inverted, down inverted, right, and down. Rotate the up layer. Repeat these last two steps until the Rubik’s Cube is solved.

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