〖0次〗:08,09,10,19,20,21,22,24,26,28,35,39,42,48,49,(共15个)〖1次〗:01,11,13,15,17,18,23,31,33,37,38,41,43,44,45,46,(共16个)xx〖2次〗:02,03,04,07,30,32,34,40,(共8个)xxx〖3次〗:05,06,12,14,16,(共5个)xxx〖4次〗:25,27,29,36,47,(共5个)xxxxx