218期：16码≤≤02,17,22,23,24,25,29,30,32,33,34,37,38,39,41,47≥≥开：17对
219期：16码≤≤02,03,05,07,11,15,16,23,28,29,32,33,34,37,38,40≥≥开：08错
220期：16码≤≤01,02,07,08,12,16,17,19,27,30,32,34,36,40,45,49≥≥开：40对
221期：16码≤≤08,12,15,16,18,23,25,27,31,34,36,37,38,42,44,49≥≥开：//