Vocabulary:
The corners
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The side edges
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External edges
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The movements: They are noted in English because it is the international convention.
This is a movement of 120° looking at the summit concerned.
The following examples show rotation clockwise and then counterclockwise.
Examples:
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Free corner |
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Right summit
'r' or 'R' for Right |
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Left Summit
'l' or 'L' for Left |
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Top Summit
'u' or 'U' for Up |
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Summit at the back
'b' or 'B' for Back |
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