统计结果:
〖0次〗:32,33,41,(共3个)
〖1次〗:01,07,08,14,16,22,30,39,42,43,45,48,(共12个)
〖2次〗:09,12,13,35,36,49,(共6个)
〖3次〗:06,15,24,25,28,31,40,47,(共8个)
〖4次〗:02,17,18,23,27,29,44,(共7个)
〖5次〗:03,10,11,19,26,37,38,46,(共8个)
〖6次〗:04,(共1个)xxxx
〖7次〗:05,20,34,(共3个)xxxxx
〖9次〗:21,(共1个)xxxxxxx