253期：<<02/05/09/10/12/19/20/21/26/30/31/33/41/43/46/48>>开：19中
254期：<<07/08/09/11/12/13/14/17/20/24/26/34/40/42/44/49>>开：13中
255期：<<01/06/09/10/16/22/25/26/27/30/34/37/38/39/40/47>>开：33错
256期：<<01/03/04/07/08/09/15/16/17/25/26/29/30/38/41/48>>开：35错
257期：<<02/12/13/14/15/16/18/19/21/23/27/32/33/36/44/46>>开：？？