281期：<<01/03/04/05/08/12/21/22/29/31/37/39/43/45/46/47>>开：47对
282期：<<02/03/07/12/15/20/23/25/26/32/34/35/38/41/43/44>>开：41对
283期：<<08/10/15/18/23/25/31/36/37/39/40/41/42/43/44/47>>开：45错
284期：<<03/04/10/20/22/24/29/31/32/33/35/36/38/43/45/48>>开：41错
285期：<<01/05/09/11/13/14/17/22/29/32/34/36/37/38/42/49>>开：//