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