021期追鼎问道：
〖0次〗:03,04,07,10,13,16,17,20,21,23,25,29,32,33,36,39,40,41,43,48,（共20个）
〖1次〗:02,08,09,15,19,22,26,27,28,30,31,34,35,42,45,47,（共16个）
〖2次〗:05,12,14,18,24,37,38,46,49,（共9个）xxx
〖3次〗:01,06,11,44,（共4个）xxx
021期取杀06,11,01,44,49,24,12,05,37,18,
020期取杀34,47,10,23,26,08,35,22,19,20,开33