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