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