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