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