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