Competitors must use any colour scheme for cube puzzles, as long as the puzzles show one colour per face in solved state.

参赛者可以对魔方使用任何正常的配色方案，但要求还原时每面只能有一种颜色。

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But as the number of squares per face increases, those moves dwindle in significance.

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In the spring he paid between 70 cents and 80 cents per dollar of face value for a senior tranche of the WaMu Mortgage Pass-Through 2005-AR2, which carries a coupon rate of Libor plus 31 basis points, or 3.52% in September.

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About two in five older men only have one or two face-to-face conversations per day.

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