207期——1,3,9,5— 开:09,23,13,31, :3个 √
208期——7,8,4,0— 开:07,48,40,28, :3个 √
209期——9,3,1,8— 开:39,21,08, :3个 √
210期——7,1,3,4— 开:37,17, :1个 ×
211期——0,7,6,9— 开:39,37, :2个 ×
212期——0,3,7,2— 开:43,32,27, :3个 √
213期——6,4,5,1— 开:05,01,15,35, :2个 ×
》》》》7中4
214期——1,3,7,9— 开:29,27,43,31, :4个 √