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