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