在彩民的眼中，双色球不仅仅是一场游戏那么简单，它象征着希望与梦想交织的小小冒险之旅。“买多少？”、“如何选号？”“中奖概率是多少?”这些问题常常萦绕在他们心中。"今天我们将深入探讨中国福利彩票中的一种特殊玩法——'福星高照’，也就是我们常说的‘单期多倍投’模式之一：‘15个红号码+3次蓝机会’，为了简化讨论并符合题目要求, 我们将聚焦于更为常见的复式投注方式：即从红色前区中选择最多十五个数（Double Color Balls - Red & Blue: A Comprehensive Look at 8-7/全包 Cost and Potential Value）。

什么是“double color ball”？ "Double Colour Balls”是源自中国的国家级公益性娱乐活动——“大乐透”，其中包含两个主要部分：“red”（代表红色的数字）和 “blue”(表示蓝色的幸运数)，这种游戏的魅力在于其随机性和潜在的巨大回报率吸引了无数人的参与。”Red numbers are drawn from a pool of thirty to choose five while blue is selected among twelve. The combination creates an exciting opportunity for players who believe in their luck or have carefully analyzed the past draws." Players can purchase individual tickets with single selections but also opt into more complex strategies like 'combination betting', where they select multiple combinations within one game round.” This article will focus on understanding how much it costs per play when you go beyond basic picks by selecting upto fifteen red balls (a common strategy known as ‘full coverage’, which we abbreviate here simply ’n=20′). We aim not only provide insight about cost structure based upon different number choices available during this type if lottery investment; moreover ,we shall explore potential value associated such high stakes approach towards gambling experience .