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well I've had a couple of requests on how to deal with this situation, this resulted from
my revised two by two by four
uh... video
in order to solve this thing
and this was a situation that a couple of people have asked me about and
it's where we've got everything solved except we've got two
bits that need to be swapped
so that white
orange yellow needs to go over here and the white orange green needs to go here
now I should say it doesn't matter where these two bits are, you could have a bit that's
here and a bit that's here that needs to be swapped
it's irrelevant as long as you've got two bits to swap, this is what you do
you turn either the top or the bottom and when i say the top or the
bottom because we've reduced this effectively to a two by two by two
i don't mean just this top
i mean either this or that
one turn, so
in this case because we've got two that are swapped we can see that doing that
will actually solve one of those pieces it's solved that one there
now if we do it the other way we'll see that it solved that one there and the important thing to note is
that before we did it these two here were placed
now if i turn that to solve this one
what's going to happen is this one
because that needs to go here that'll go around here so this one will still be
unplaced
the two that were at the back have come down to here and so each of them are now
unplaced as well
and so what we've done by doing that turn is to solve one of them
and leave us with one two three
unsolved
and now all that we need to do to solve it is now just forget about that orientation
and turn it over and we'll have three that need to be cycled and so we do that in
the same way that we normally would we look for one that needs to
roll across the bottom
so in this case I've got a white yellow red
you can see that needs to go there
so I'm going to say that's my one that needs to roll to there
and then my third piece wherever that is so this is the first this is the second
the third piece out of place
which happens to be this one
at the back here
i'm going to put up
into
this up left back position here
and now that those three pieces are setup ready to cycle
I carry that out using a corner piece series as
explained elsewhere in that video, so
and having done that that's all that is and i'm going to undo that setup move that i did
like that, and you can see that everything has become
solved and so
that's all that's required any two pieces that are switched just take either this top half
or the botttom half turn it one turn
any then what you will have done is created a three cycle
and you can use the corner piece series to solve it from there