266期：<<07/12/14/15/16/18/24/25/26/30/33/34/38/40/41/42>>开：40对
267期：<<01/03/04/07/08/18/19/22/35/37/39/41/42/47/48/49>>开：22对
268期：<<04/05/08/10/13/15/22/25/30/31/33/35/36/41/42/43>>开：32错
269期：<<03/05/06/07/12/13/16/23/24/26/37/40/44/47/48/49>>开：37对
270期：<<03/08/09/13/15/24/25/32/33/34/35/37/43/46/48/49>>开：44错
271期：<<08/10/12/13/14/17/22/24/30/31/34/35/41/42/44/47>>开：//