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 题目1459-九度Online Judge,用代码记录你的成长之路!

题目1459:Prime ring problem

时间限制:2 秒

内存限制:128 兆

特殊判题:

提交:3078

解决:1270

题目描述:

A ring is compose of n circles as shown in diagram. Put natural number 1, 2, ..., n into each circle separately, and the sum of numbers in two adjacent circles should be a prime.
Note: the number of first circle should always be 1.


输入:

n (1 < n < 17).

输出:

The output format is shown as sample below. Each row represents a series of circle numbers in the ring beginning from 1 clockwisely and anticlockwisely. The order of numbers must satisfy the above requirements. Print solutions in lexicographical order.
You are to write a program that completes above process.
Print a blank line after each case.

样例输入:
6
8
样例输出:
Case 1:
1 4 3 2 5 6
1 6 5 2 3 4

Case 2:
1 2 3 8 5 6 7 4
1 2 5 8 3 4 7 6
1 4 7 6 5 8 3 2
1 6 7 4 3 8 5 2
提示:

用printf打印输出。