AF2L 21

Trapped edge: The edge is stuck in another slot.

Algorithms

1. U R F U F' R'
2. U L u L u' L'
3. U L D F D' L'
4. U R U R' U' F U F' reads as U · Righty · F U F'
5. y' U R' U R F R2 F' R2 reads as y' U · Insert (inverse) · F R2 F' R2
6. y' U F R2 F' U' R U R2

Also in Trapped edge

• AF2L 10
• AF2L 11
• AF2L 12
• AF2L 13
• AF2L 14
• AF2L 15
• AF2L 16
• AF2L 17
• AF2L 18
• AF2L 19
• AF2L 20
• AF2L 22
• AF2L 23
• AF2L 24
• AF2L 52
• AF2L 53
• AF2L 54

All 54 Advanced F2L cases