317期：<<01/02/05/06/14/18/22/25/27/36/38/43/45/46/47/49>>开：18对
318期：<<01/02/05/08/09/10/13/31/35/38/43/44/45/46/48/49>>开：06错
319期：<<01/03/10/14/15/16/17/21/22/24/26/30/31/33/37/49>>开：45错
320期：<<08/11/18/20/25/27/28/30/31/32/33/36/39/45/48/49>>开：28对
321期：<<04/07/10/15/16/21/22/24/29/32/33/37/39/42/44/49>>开：//