How to solve a Rubik's cube 7х7 - Step 3
Step 3.
Now the cube is equivalent to a 3x3 cube and the for assembling formulas can be applied to it a 3x3 cube.
At the beginning of this stage, must be assembled the middles of the cube.
And the identical cubes of the side faces are combined in pairs, and their location can be any
At the end of the stage you should have the assembled the top cross.
Apply the formulas of the first step of assembling a 3x3 cube.
We assemble the upper cross. Find the cubes of the upper cross, and place them on the bottom face.
Now, depending on how the colors of the cubes stand up, do the operation shown below.
Variant 1
Variant 2
Repeat the operation with the remaining three edges of the top cross.