267期：<<07/09/10/12/13/14/18/26/28/32/37/38/39/45/47/49>>开：45对
268期：<<02/05/08/11/12/16/18/23/30/31/32/36/39/40/41/48>>开：27错
269期：<<03/04/05/10/13/21/26/27/36/37/38/39/41/42/45/48>>开：48对
270期：<<01/03/04/05/06/11/12/24/26/28/29/30/33/36/43/45>>开：30对
271期：<<04/06/07/09/12/14/16/17/27/31/32/36/42/43/47/48>>开：45错
272期：<<02/05/14/16/18/20/21/22/23/25/32/35/36/41/42/46>>开：//
