283期：<<04/06/08/10/16/17/18/28/29/31/33/38/39/40/42/46>>开：39中
284期：<<04/05/06/07/10/17/19/22/23/26/29/33/34/35/44/48>>开：17中
285期：<<03/06/08/14/16/18/20/23/25/28/30/34/35/38/46/49>>开：33错
286期：<<01/02/05/13/15/16/20/26/32/35/36/37/40/41/44/48>>开：39错
287期：<<01/05/09/14/19/20/22/27/28/29/31/35/36/37/40/42>>开：？？