262期：((01/02/03/06/12/16/20/26/29/30/31/32/42/43/48/49))开：03中
263期：((01/04/06/13/16/24/28/31/34/37/39/40/41/43/48/49))开：34中
264期：((08/10/13/17/18/19/28/29/30/33/37/40/42/46/47/49))开：27错
265期：((03/08/11/13/15/16/17/22/24/28/30/31/37/39/44/47))开：30中
266期：((02/07/08/09/13/17/21/23/31/33/39/40/42/45/46/48))开：？？