1 - Conversely of 2 corners:

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In this case, use
following formula:
R' D' R F D F' R' D R D D
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2 - Conversely of 2 opposite edges:

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In this case, use
following formula:
r r B B D D B'
r' B D D B' r B' r
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3 - Swivelling of 2 adjacent edges:

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In this case, use
following formula:
r r B B U U l U U r'
U U r U U F F r F F
l' B B r r
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