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