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：06错
286期：<<07/08/09/11/16/17/22/25/31/32/34/35/36/40/41/48>>开：48对
287期：<<03/05/06/11/15/18/23/28/29/30/35/37/40/45/47/48>>开：04错
288期：<<09/12/13/15/17/20/23/25/28/30/32/36/40/41/46/48>>开：//