285期：<<03/05/09/10/17/19/20/21/25/28/29/32/34/39/45/48>>开：19对
286期：<<01/07/08/10/14/18/23/27/31/33/35/37/42/44/48/49>>开：24错
287期：<<02/03/04/06/07/08/12/13/22/23/28/33/34/36/37/40>>开：08对
288期：<<07/11/13/16/20/21/22/23/24/27/32/40/42/43/46/47>>开：25错
289期：<<03/04/06/07/08/11/13/16/19/23/26/27/29/32/45/47>>开：//