270期:((4,0))开:35对
271期:((0,7))开:06对
272期:((2,7))开:36对
273期:((0,7))开:04对
274期:((3,8))开:44对
275期:((1,2))开:45对
276期:((8,2))开:09对
277期:((4,9))开:16对
278期:((3,9))开:28对
279期:((9,2))开:27对
10----------10
280期:((4,8))开:42对
281期:((8,4))开:47对
282期:((3,2))开:41对
283期:((1,3))开:45对