219期：→№←【03,05,07,08,10,11,12,15,17,20,25,27,29,32,34,35,36,37,38,40,42,43,44,47】开：25对
220期：→№←【02,04,05,07,08,11,13,14,15,16,19,21,25,26,33,34,35,37,38,40,42,45,47,49】开：30错
221期：→№←【01,07,09,12,15,17,18,19,22,23,24,25,26,28,29,30,31,32,34,35,37,38,39,40】开：**