281期：<<05/09/13/15/17/18/19/24/29/40/41/43/45/46/47/49>>开：43对
282期：<<01/05/07/08/09/10/15/17/21/22/24/27/36/40/41/42>>开：34错
283期：<<03/05/14/16/18/22/26/28/29/30/36/38/42/43/46/48>>开：18对
284期：<<02/11/12/14/17/20/22/24/30/33/35/37/41/43/48/49>>开：20对
285期：<<05/10/12/14/17/20/22/28/32/33/36/43/46/47/48/49>>开：//