〖0次〗:04,05,08,09,14,15,16,17,19,20,23,26,29,30,33,35,37,38,39,42,43,（共21个）〖1次〗:01,03,06,07,10,11,13,18,21,22,24,25,27,28,31,36,40,41,47,49,（共20个）xxx〖2次〗:02,12,34,44,45,46,48,（共7个）xxx〖3次〗:32,（共1个）xxx