Windmill last layer corners parity

[KoszMareQ]

Hi guys!
I have strange problem with my windmill. When I'm doing last layer (I use LBL cause I'm still beginner) there appears some kind of parity when it comes to permutating corners (pic related). This is the first time I've met this kind of problem. I tried using 4x4 parity algorhitm, it kinda works, cause it actually rotates corners well, but it changes the position of two edges instead. I have to add, that the cube popped a few times and I'm not perfectly sure if I fit the pieces back in right place, so that may cause that problem. I've been trying uncountable algorhitms for the past few days and I'm still locked at the same situation. Please, help me, I can't sleep at night because in each spare moment I think about how awful this cube looks with corners like this. xd Thanks in advance!

 

[AlphaSheep]

I have to add, that the cube popped a few times and I'm not perfectly sure if I fit the pieces back in right place, so that may cause that problem.

Yup, this is the problem. Just pop the two pieces out and put them back in correctly.

 

[KoszMareQ]

Isn't it possible to do this using algorhitm? :/ It is really hard to take thede pieces out and I'm sure that with my skill I couldn't be able to connect pieces again... Anyway, thanks for the reply.

 

[DGCubes]

Isn't it possible to do this using algorhitm? :/

No, this is an impossible case. Just like on a 3x3, you can't swap 2 edges on a Windmill cube without taking it apart.

Side note, it's also impossible to flip one edge, twist one corner, or swap two corners on their own.

 

[KoszMareQ]

Okay, guys, thank you a lot for your kindness. I managed to flip it manually and now everything is ok, thanks again.

 

[Sandipan]

This is possible using an algorithm.
I've got the solution.
Use R L U² R' L'
This will swap the opposite edges.
Now again solve the last layer edges and then corners like 3×3 Rubik's cube without using the above algorithm again.

 

[BenChristman1]

This is possible using an algorithm.
I've got the solution.
Use R L U² R' L'
This will swap the opposite edges.
Now again solve the last layer edges and then corners like 3×3 Rubik's cube without using the above algorithm again.

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