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