280期：→№←【01,05,06,10,12,13,15,16,19,21,22,23,24,25,27,31,33,35,37,38,39,42,43,47】开：42对
281期：→№←【03,05,06,08,09,10,13,15,17,18,20,21,26,27,29,31,32,33,40,41,44,45,46,49】开：47错
282期：→№←【01,02,07,11,12,14,19,21,24,25,26,27,28,29,32,35,37,38,39,42,44,47,48,49】开：**
