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R
U'
R'
U
R
U'
R'
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Solutions:
(R U R') U' (R U R')
y (L F' L' F)2
y M' (U' L' U L) (U' L' U l)
y M' (U' L' U l) (U' L' U L)
All cases and solutions are based on
J Perm's best F2L sheet
