257期：((01/06/07/12/13/17/20/24/25/26/29/31/33/44/48/49))开：07中中中
258期：((01/02/03/06/12/14/16/20/29/30/33/35/37/40/46/49))开：46中中中
259期：((01/04/05/08/10/17/19/21/25/28/30/32/36/40/42/48))开：22错错错
260期：((03/07/10/13/16/18/19/22/28/29/30/31/40/41/45/49))开：20错错错
261期：((02/04/05/08/10/13/16/18/23/26/27/28/30/31/35/47))开：//