250期：<<04/11/17/18/20/25/27/28/31/34/36/41/42/44/46/48>>开：04中
251期：<<05/12/13/14/16/20/26/27/32/34/35/37/41/46/47/49>>开：41中
252期：<<04/13/15/19/20/22/23/30/32/35/36/38/41/42/44/47>>开：24错
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：？？
