Introduction - If you have any usage issues, please Google them yourself
A group of people (n points), circle, someone starts counting the third person out of the line, followed by a personal number the next, eventually the final output column
(Josephus is the application of a mathematical problem: Given n people (represented respectively numbered 1,2,3 ... n) sitting around a round table No. k people began to count off, count to m. the man out of the column his next person and 1 countin, count to m the man was out of the column . so the law is repeated until all the people around the round table column)