记者今日从中国福利彩票发行管理中心获悉，为了回报广大彩民对双色球品牌的支持和厚爱，
B-position I-position O O O B-government I-government I-government I-government I-government I-government I-government I-government I-government I-government I-government I-government O O O O O O O O O O O O O O O O O O O O O O O O