# Thread: algs that goes back to solved position after X times

1. ## algs that goes back to solved position after X times

a challenge was set on the israeli forums, to find algororithms that goes back to solved position after X times of doing them.

X is going from 1 to whatever...
so far we have come out with 1-10 and 12 without 11.

i thought about trying to make an 11 cycle?
and generally its a fun challenge.

here is the list so far:

Spoiler:
1 :U4
2 : U2
3 : R U R' U' R' F R F'
4 : R U' R'
5 : R U R' U
6 : R U R' U'
7 : U R U' F
8 : U D R2
9 : U R F2
10 : U R U' F2
11 :
12 : R U2 R' U'

2. I have a one that it's need to be repeated 11 times:
B' R' L M' U M U' R L' B z' M' U M U' y x y' (U PERM) z2

3. did you check if it works?
and why didnt you wrote it in the israeli forums?

4. Originally Posted by nitay6669
did you check if it works?
and why didnt you wrote it in the israeli forums?
it works, this is an 11 cycle of edges made of 2 5 cycles and one 3 cycle

5. It seems to work.

How the hell did you find this?

EDIT - this alg takes forever to watch btw

6. Originally Posted by James Ludlow
It seems to work.

How the hell did you find this?

EDIT - this alg takes forever to watch btw
2 5 cycle connected by a 3 -cycle.
B' R' L M' U M U' R L' B - 5 cycle of M and one edge in R
z' M' U M U' - 5 cycle of the R edges and one in L
y x y' (U PERM) z2 - connect them with 3 -cycle and restore to original orientation

I have another one with only UPERMS :P

7. Originally Posted by y235
B' R' L M' U M U' R L' B z' M' U M U' y x y' (U PERM) z2
Here´s the optimal one (generated with Cube Explorer): F2 L' D' L R2 B' R F D B D2 U' R D' U (15f*)

8. Optimal? I seriously doubt that that's the shortest alg that returns to solved after 11 moves.

9. Originally Posted by Kirjava
Optimal? I seriously doubt that that's the shortest alg that returns to solved after 11 moves.
I think he means the optimal alg for y235's cycle.

10. Of course. I'm just establishing that that doesn't mean it's the shortest for that criteria.

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