247期：<<02/03/07/11/22/24/26/30/34/35/37/40/41/42/45/48>>开：40对
248期：<<10/13/14/15/19/20/21/25/26/28/32/33/35/37/41/42>>开：20对
249期：<<04/05/09/14/15/21/22/23/27/32/39/42/45/46/47/48>>开：23对
250期：<<03/06/09/12/14/15/17/18/22/27/28/35/39/40/41/49>>开：14对
251期：<<02/07/09/13/16/18/22/24/25/31/32/35/36/39/42/45>>开：30错
252期：<<03/05/12/14/17/19/21/25/26/33/36/37/42/45/46/48>>开：//