283期：{{15/16/18/19/20/21/23/25/26/35/38/39/40/42/48/49}}开：18中中中
284期：{{02/10/11/13/16/18/22/24/27/31/33/34/37/39/45/49}}开：20错错错
285期：{{04/07/11/12/18/23/24/27/30/35/37/40/43/46/48/49}}开：06错错错
286期：{{01/04/11/14/15/17/18/23/24/28/32/35/41/45/48/49}}开：48中中中
287期：{{01/02/03/08/10/19/20/21/22/25/26/30/33/34/37/39}}开：中？