015期：<<01/02/04/06/14/17/19/21/23/26/30/35/37/39/40/42>>开：42中
016期：<<03/07/10/11/15/18/20/23/26/27/35/39/41/43/46/47>>开：12错
017期：<<02/04/06/10/13/14/20/22/25/29/36/38/40/43/44/48>>开：04中
018期：<<04/07/08/10/17/18/19/21/23/25/34/39/42/44/48/49>>开：31错
019期：<<01/03/05/06/08/12/13/15/16/24/28/31/37/40/41/45>>开：40中
020期：<<02/03/06/07/10/11/13/15/19/22/30/31/37/40/42/48>>开：？？