251期：<<01/03/05/09/12/13/19/29/31/32/33/34/35/36/38/47>>开：13对
252期：<<01/02/05/11/12/16/17/22/23/24/31/35/44/45/47/49>>开：08错
253期：<<05/09/11/14/15/16/17/18/30/32/33/35/38/39/42/46>>开：09对
254期：<<03/08/10/11/19/21/24/28/30/32/34/36/44/45/46/49>>开：07错
255期：<<03/04/08/17/20/25/26/28/29/32/33/34/35/36/41/47>>开：//