2-look OLL

algorithms used to orient the last layer edges, then the last layer corners

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edge orientation

case	algorithm	probability
L	F (U R U' R') F'	1/2 (50%)
	F (R U R' U') F'	1/4 (25%)
	F (R U R' U') F' f (R U R' U') f'	1/8 (12.5%)
	solved	1/8 (12.5%)

corner orientation

	(R U R' U) (R U2 R')	4/27 (14.81%)
	(R' U' R U') (R' U2 R)	4/27 (14.81%)