024期：〔2中2〕〈04,07,20,23,28,35,37,40,44,48〉开 00？准准准
023期：〔2中2〕〈01,18,28,30,36,38,39,41,45,48〉开 中 1 个 39 错错错
022期：〔2中2〕〈02,14,27,38,41,42,43,45,46,48〉开 中 2 个 38 42 准准准
021期：〔2中2〕〈03,05,12,21,23,27,31,35,40,49〉开 中 2 个 03 23 准准准