219期：→№←【02,03,04,05,08,10,11,12,13,15,20,22,23,25,28,29,30,37,38,39,41,43,45,49】开：43对
220期：→№←【05,11,12,14,16,19,20,21,24,25,27,28,29,32,34,37,39,40,41,42,45,46,47,49】开：48错
221期：→№←【03,05,07,08,10,11,12,15,18,19,21,22,23,27,32,33,38,39,40,42,43,45,48,49】开：**