F' R2 B R' B2 R' B F R' D' B2 F2 R' B' F U2 L' F' R U2 B U' L2 R F'
Solution
y'
//
inspection
R2' F B' U L2 u'
//
cross
L U L' R' U R
//
1st pair
U' R U R' U' L U L'
//
2nd pair
y' U R U' R' U' R' U' R
//
3rd pair
y' U' R' U2 x' R2 U' R' U x
//
4th pair
r U R' U' r' F R F'
//
COLL
U' R U' R U R U R U' R' U' R2
//
EPLL