〖1次〗:01,03,04,05,07,10,16,18,20,23,24,27,29,30,32,39,40,42,43,45,（共20个）〖2次〗:02,06,08,12,13,15,17,19,22,25,26,28,31,33,36,37,38,44,46,48,（共20个）〖3次〗:09,11,14,21,34,35,41,47,49,（共9个）