How to solve a Rubik's cube 7х7 - Step 6
At the beginning of this stage, you should have two layers assembled. Turn the cube over as shown in the picture.
At the end of the stage, the cubes of the top cross must be in their place, and their colors may be inverted.
Apply the formula of the fourth step of assembly the 3x3 cube..
You need to rearrange among themselves ribs upper edge, until all of them are in their place, at the same time, it doesn't matter how they are rotated!
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