317期：<<04/16/17/18/21/22/23/24/30/32/36/38/40/42/48/49>>开：18中中中
318期：<<02/03/08/11/13/15/19/20/25/27/32/33/34/36/41/49>>开：06错错错
319期：<<02/04/05/11/12/13/16/17/18/19/20/22/24/32/46/48>>开：45错错错
320期：<<01/02/13/20/22/24/26/28/31/34/35/36/41/45/47/48>>开：28中中中
321期：<<02/07/10/12/15/24/26/31/33/34/36/39/40/41/44/48>>开：//