021期：<<03/05/06/09/12/14/16/22/24/25/26/28/29/35/44/48>>开：12对
022期：<<01/02/04/05/08/09/15/16/19/27/28/30/31/38/39/42>>开：34错
023期：<<01/08/14/17/18/23/24/25/27/29/30/31/39/40/41/43>>开：29对
024期：<<04/06/08/11/13/17/19/20/22/30/32/34/38/42/48/49>>开：45错
025期：<<02/03/10/12/16/17/24/25/27/29/30/32/33/44/47/48>>开：//