8.57 U B2 D B2 F2 R2 B2 U F2 R2 U2 R F' L' B2 D2 L' F' R' D' U2
x2 y' U2 R' F D F' D (6/6)
R' U' R U L' U L (7/13)
U' L U' L' R U' R' (7/20)
U' y' L' U L U2 L' U L (8/28)
U2 F (R U R' U') (R U R' U') F' (11/39)
U' R U' R U R U R U' R' U' R2 U (13/52)
52 turns / 8.57 seconds = 6.06767795 turns/second
x2 y' U2 R' F D F' D (6/6)
R' U' R U L' U L (7/13)
U' L U' L' R U' R' (7/20)
U' y' L' U L U2 L' U L (8/28)
U2 F (R U R' U') (R U R' U') F' (11/39)
U' R U' R U R U R U' R' U' R2 U (13/52)
52 turns / 8.57 seconds = 6.06767795 turns/second