# Thread: FMC riddle: second layer edge

1. ## FMC riddle: second layer edge

Scramble 1: F' U' F U R U R' U
Scramble 2: F' U' F U R U R' U'

Solve F2L in seven turns (htm). There are several interesting different ways, how many can you find? No cheating with computer solvers!

Hints (first move of each solution):
Spoiler:

Scramble 1:
F ...
F' ...
B ...
B ...
B' ...
B' ...

Scramble 2:
R' ...
F ...
L ...
B ...

Just so you know when you're done:
6 solutions for F' U' F U R U R' U
4 solutions for F' U' F U R U R' U'

Also:
3 solutions for F' U' F U R U R' U2
7 solutions for F' U' F U R U R' (including one or two you probably didn't know yet)

Solutions (check these out when you're done or give up, many are quite neat):

2. got one:
Spoiler:
U' R U' R' U' F' U x

3. Spoiler:
y R' u' R2 u R2 U' R'

4. (Note: I added a second riddle and hints)

Ah yes Sarah, the cheating one . I thought about that but didn't include it in my spoiler because I wasn't sure it's the only one and I wanted either all or none.

5. stuck at two
Spoiler:

yR'D'F2DR2U'R'
yR'F2U'F2UF2R

6. Spoiler:
F' U2 L' U2 L U2 F

7. Originally Posted by Stefan
(Note: I added a second riddle and hints)

Ah yes Sarah, the cheating one . I thought about that but didn't include it in my spoiler because I wasn't sure it's the only one and I wanted either all or none.
Well, it's an F2L somewhere.
I didn't even realize it was the inverse at first.

8. First one:
Spoiler:
B' R2 U' R2 U R2 B

Let me try and find more.

9. Second one:
Spoiler:
R'U2B'RBU2R
LF2UFU'F2L'

10. Spoiler:

Scramble 1:
F U2 L F2 L' U2 F'
F' U2 L' U2 L U2 F
B L2 D F2 D' L2 B'
B U B2 D' R2 D B
B' D' R2 D B2 U' B'
B' R2 U' R2 U R2 B

Scramble 2:
R' U2 B' R B U2 R
F U2 L F L' U2 F'
L F2 U F U' F2 L'
B L2 D F D' L2 B'

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