018期：((01/02/03/06/10/23/26/28/32/37/40/41/42/44/45/47))开：23中中中
019期：((01/03/04/05/07/10/15/17/18/30/33/40/41/42/44/45))开：27错错错
020期：((01/05/08/12/17/19/20/21/24/31/32/37/39/42/45/49))开：16错错错
021期：((01/02/03/05/12/16/17/18/26/28/29/34/36/39/40/41))开：//