〖0次〗:01,02,03,04,07,08,09,10,14,17,18,19,20,21,22,23,24,25,30,32,33,34,35,39,41,43,44,46,48,（共29个）〖1次〗:05,06,11,12,13,16,27,28,31,36,40,42,45,47,（共14个）〖2次〗:15,26,29,49,（共4个）〖3次〗:37,38,（共2个）