import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileWriter; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Comparator; import java.util.TreeSet; public class Main { public static void main(String[] args) throws NumberFormatException, IOException { ContestScanner in = new ContestScanner(); int n = in.nextInt(); int[][] res = new int[n][n]; if(n%2 == 1){ odd(res, n); }else if(n%4 == 0){ even4(res, n); }else{ lux(res, n); } System.out.println(out(res, n)); } // public static int[][] lux ={ // {1, 1, 1, 1, 1}, // {1, 1, 1, 1, 1}, // {1, 1, 2, 1, 1}, // {2, 2, 1, 2, 2}, // {3, 3, 3, 3, 3}, // }; public static int[][] l = { {4, 1}, {2, 3} }; public static int[][] u = { {1, 4}, {2, 3} }; public static int[][] x = { {1, 4}, {3, 2} }; public static void lux(int[][] board, int n){ int half = n/2; int[][] b = new int[half][half]; odd(b, half); for(int i=0; i=0; i--){ for(int j=n-1; j>=0; j--){ idx++; if(map4[i%4][j%4] == 0){ board[i][j] = idx; } } } } public static String out(int[][] res, int n){ StringBuilder sb = new StringBuilder(); for(int i=0; i=n) x -= n; if(board[y][x] != 0){ y++; y++; x--; if(y >= n) y -= n; if(x < 0) x += n; } } } } class Node{ int id; ArrayList edge = new ArrayList(); public Node(int id) { this.id = id; } public void createEdge(Node node) { edge.add(node); } } class MyComp implements Comparator { final int idx; public MyComp(int idx){ this.idx = idx; } public int compare(int[] a, int[] b) { return a[idx] - b[idx]; } } class Reverse implements Comparator { public int compare(Integer arg0, Integer arg1) { return arg1 - arg0; } } class ContestWriter { private PrintWriter out; public ContestWriter(String filename) throws IOException { out = new PrintWriter(new BufferedWriter(new FileWriter(filename))); } public ContestWriter() throws IOException { out = new PrintWriter(System.out); } public void println(String str) { out.println(str); } public void println(Object obj) { out.println(obj); } public void print(String str) { out.print(str); } public void print(Object obj) { out.print(obj); } public void close() { out.close(); } } class ContestScanner { private BufferedReader reader; private String[] line; private int idx; public ContestScanner() throws FileNotFoundException { reader = new BufferedReader(new InputStreamReader(System.in)); } public ContestScanner(String filename) throws FileNotFoundException { reader = new BufferedReader(new InputStreamReader(new FileInputStream( filename))); } public String nextToken() throws IOException { if (line == null || line.length <= idx) { line = reader.readLine().trim().split(" "); idx = 0; } return line[idx++]; } public String readLine() throws IOException{ return reader.readLine(); } public long nextLong() throws IOException, NumberFormatException { return Long.parseLong(nextToken()); } public int nextInt() throws NumberFormatException, IOException { return (int) nextLong(); } public double nextDouble() throws NumberFormatException, IOException { return Double.parseDouble(nextToken()); } }