/* Problem 4--Rudy's Guitar
   This was a straightforward ASCII Art problem with no tricky component
   of any kind. */

import java.io.*;
import java.util.*;

public class prob4 {

 public static Scanner in;
 public static PrintStream out;
 public static int cs;

 public static void main (String[] args) throws Exception {

  in = new Scanner (new File ("prob4.in"));
  out = new PrintStream (new FileOutputStream ("prob4.out"));
  int sz=0;
  while ((sz=in.nextInt())>0) { //top third
   out.println ("Case "+(++cs));
   out.println ();
   for (int i=0; i < sz; i++) {
    out.print ("|");
    for (int j=0; j < i; j++) out.print (" ");
    out.println ("\\");
   }
   for (int i=sz-1; i >=0; i--) { //middle third
    out.print ("|");
    for (int j=0; j < i; j++) out.print (" ");
    out.println ("/");
   }
   for (int i=0; i < sz; i++) { //bottom third
    out.print ("|");
    for (int j=0; j < i; j++) out.print (" ");
    out.println ("\\");
   }
   out.println ();
  }
 }
}