235期：→№←【02,06,07,10,13,14,17,18,21,22,24,26,27,28,31,32,33,34,36,42,44,45,46,48】开：21对
236期：→№←【09,10,13,16,17,20,23,24,27,29,30,31,32,33,34,35,38,40,42,43,44,47,48,49】开：43对
237期：→№←【05,09,10,11,14,17,19,20,21,22,23,24,26,27,30,31,34,38,39,40,42,43,44,46】开：46对
238期：→№←【03,05,06,07,08,09,15,16,17,19,20,23,24,25,29,30,35,39,41,42,43,45,46,48】开：12错
239期：→№←【03,06,08,09,11,12,15,16,18,19,21,22,26,27,28,31,32,38,40,43,44,46,47,49】开：36错
240期：→№←【02,04,06,08,09,13,14,17,18,22,23,24,26,29,31,33,35,37,38,42,46,47,48,49】开：42对
241期：→№←【01,03,04,05,08,11,17,18,19,21,22,23,25,27,29,32,36,39,43,44,45,46,48,49】开：43对
242期：→№←【01,02,06,07,11,13,14,15,16,17,19,22,23,24,28,38,40,41,43,44,45,46,47,48】开：**