约瑟夫生者死者游戏的大意是：30个旅客同乘一条船，因为严重超载，加上风高浪大，危险万分；因此船长告诉乘客，只有将全船一半的旅客投入海中，其余人才能幸免遇难。无奈，大家只得同意这种办法，并议定30个人围成一圈，由第一个人开始，依次报数，数到第9人，便把他投入大海中，然后从他的下一个人数起，数到第9人，再将他投入大海，如此循环，直到剩下15个乘客为止。问哪些位置是将被扔下大海的位置。-Joseph living dead game to the effect that: 30 passengers with by boat, because of severe overload, coupled with high winds and waves, extremely dangerous　so the captain told the passengers, only the whole ship half of the passengers into the sea, the rest can be survived. Helpless, we had to agree with this approach, and 30 people agreed to form a circle, starting from the first person, in turn reported the number, the number to nine, put him into the sea, and from a number of his next play, the number of to 9, and then he put into the sea, and so on, until the remaining 15 passengers so far. Q. What position is the position of the sea will be dropped.