017期〖02,06,07,08,09,10,11,14,18,19,20,21,22,23,26,30,31,32,33,34,35,38,42,43,44,45,46,47,（共28个）〗开:38对
018期〖01,03,04,08,09,10,11,13,15,16,20,21,22,23,25,27,28,32,33,34,35,37,39,40,44,45,46,47,49,（共29个）〗开:10对
019期〖01,02,03,04,05,06,07,11,14,15,16,17,18,19,23,25,26,27,28,29,30,31,35,38,39,40,41,42,43,47,（共30个）〗开:06对
020期〖01,02,03,04,06,11,12,13,14,15,16,18,23,24,25,26,27,28,30,35,36,37,38,39,40,42,47,48,49,（共29个）〗开:34错
021期〖？？？？？？？？？？？？？？〗开:？对
