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