import java.io.*;
import java.math.BigInteger;
import java.util.*;

import org.jfree.data.function.PowerFunction2D;

public class r2a
{

	Map numMap = new HashMap();
    int output = 0;

    /**
     * @param args
     */
    public static void main(String[] args)
    {
        r2a mk = new r2a();
        try {
            FileInputStream fstream = new FileInputStream("d:/cjinput.txt");
            DataInputStream in = new DataInputStream(fstream);
            BufferedReader br = new BufferedReader(new InputStreamReader(in));
            String str;
            int i = 0;
            while ((str = br.readLine()) != null) {
            	int begin=0,end = 0;
                i++;
                if (i == 1)
                    continue;
                mk.numMap = new HashMap();
                StringTokenizer strTok = new StringTokenizer(str, " ");
                while (strTok.hasMoreTokens()) {
                	begin =  Integer.parseInt(((String) strTok.nextToken()));
                    end = Integer.parseInt(((String) strTok.nextToken()));
                }

                mk.evaluate(i, begin, end);

            }
            in.close();
        }
        catch (Exception e) {
            System.err.println(e);
        }

    }

    private void evaluate(int rowNum, int begin, int end)
    {
    	output=0;
    	for (int i = begin; i<= end; i++) {
    		if(numMap.containsKey(Integer.valueOf(i)))
    			continue;
    		List l = getPairElems(i);
    		if (l.size() > 0) {
    			Iterator itr = l.iterator();
    			int ctr = 0;
    			ArrayList tempList = new ArrayList();
    			while (itr.hasNext()) {
    				int next = ((Integer)itr.next()).intValue();
    				if (next <= end && next > i) {
    					numMap.put(Integer.valueOf(next), i);
    					tempList.add(next);
    					ctr++;
    				}
    			}
    			ctr = getCounter(ctr+1,2);
/*    			if (tempList.size() > 0 || ctr > 0)
    				System.out.println("DD: " + i + ": " + tempList +" ; ctr = " + ctr);*/
    			output = output + ctr;
    		}
    		
    	}

        String outputStr = "Case #" + (rowNum -1) + ": " + output;
        
        System.out.println(outputStr);
    }

	private int getCounter(int n, int r) {
		int ret = 1;
		int nfactorial =1;
		for (int i = 2; i<=n; i++) {
			nfactorial = i*nfactorial;
		}
		int nrfact =1;
		for (int i = 2; i<=n-r; i++) {
			nrfact = i*nrfact;
		}
		
		return nfactorial/(2*nrfact);
	}

	private ArrayList getPairElems(int num) {
		ArrayList retList = new ArrayList();
		int temp = num;
		if (num/10 == 0)
			return retList;
		
		String str = String.valueOf(num);
		
		int arr[] = new int[str.length()];
		int x = str.length();
		while (temp/10 > 0) {
			arr[x-1] = temp%10;
			temp=temp/10;
			x--;
		}
		arr[0]=temp;
		
		int size = arr.length;
		for (int pos = size -1; pos >0; pos--) {
			if(arr[pos] == 0)
				continue;
			int pairNum = 0;
			int multiplier =1;
			for (int c=0; c < size-1; c++) {
				multiplier = multiplier*10;
			}
			pairNum = pairNum + (arr[pos]*multiplier);
			for(int ctr = pos+1, i=1; i < size; i++,ctr++) {
				if (ctr == size)
					ctr=0;
				if (multiplier!=1)
					multiplier=multiplier/10;
				pairNum = pairNum + (arr[ctr]*multiplier);
			}
			if (pairNum != num)
				retList.add(Integer.valueOf(pairNum));			
		}
		
		return retList;
	}
}

package utils;

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author Fabien Renaud
 */
public class File {

  public static boolean delete(String filename) {
    java.io.File f = new java.io.File(filename);
    if (f != null) {
      return f.delete();
    }
    return false;
  }

  public static String[] readAllLines(String filename) {
    return readAllLines(new java.io.File(filename));
  }

  public static String[] readAllLines(java.io.File file) {
    List<String> list = new ArrayList<String>();

    try {
      BufferedReader input = new BufferedReader(new FileReader(file));
      try {
        String line = null;

        while ((line = input.readLine()) != null) {
          list.add(line);
        }
      } finally {
        input.close();
      }
    } catch (IOException ex) {
      Logger.getLogger(File.class.getName()).log(Level.SEVERE, null, ex);
    }

    String[] s = new String[list.size()];
    return list.toArray(s);
  }

  public static String readAllText(String filename) {
    return readAllText(new java.io.File(filename));
  }

  public static String readAllText(java.io.File file) {
    StringBuilder content = new StringBuilder();
    String lf = System.getProperty("line.separator");

    try {
      BufferedReader input = new BufferedReader(new FileReader(file));
      try {
        String line = null;

        while ((line = input.readLine()) != null) {
          content.append(line);
          content.append(lf);
        }
      } finally {
        input.close();
      }
    } catch (IOException ex) {
      Logger.getLogger(File.class.getName()).log(Level.SEVERE, null, ex);
    }

    return content.toString();
  }

  public static byte[] readAllBytes(String filename) {
    return readAllBytes(new java.io.File(filename));
  }

  public static byte[] readAllBytes(java.io.File file) {
    byte[] bytes = new byte[0];
    InputStream is = null;
    try {
      is = new FileInputStream(file);
      long length = file.length();
      if (length > Integer.MAX_VALUE) {
        // File is too large
      }

      bytes = new byte[(int) length];
      int offset = 0;
      int numRead = 0;
      while (offset < bytes.length && (numRead = is.read(bytes, offset, bytes.length - offset)) >= 0) {
        offset += numRead;
      }
      if (offset < bytes.length) {
        throw new IOException("Could not completely read file " + file.getName());
      }
      is.close();
    } catch (Exception ex) {
      Logger.getLogger(File.class.getName()).log(Level.SEVERE, null, ex);
    } finally {
      try {
        is.close();
      } catch (IOException ex) {
        Logger.getLogger(File.class.getName()).log(Level.SEVERE, null, ex);
      }
    }
    return bytes;
  }

  public static void writeAllLines(String filename, String[] lines) {
    writeAllLines(new java.io.File(filename), lines);
  }

  public static void writeAllLines(java.io.File file, String[] lines) {
    String lf = System.getProperty("line.separator");

    try {
      FileWriter fw = new FileWriter(file);
      for (String l : lines) {
        fw.write(l);
        fw.write(lf);
        fw.flush();
      }
      fw.close();
    } catch (IOException ex) {
      Logger.getLogger(File.class.getName()).log(Level.SEVERE, null, ex);
    }
  }

  public static void writeAllText(String filename, String text) {
    writeAllText(new java.io.File(filename), text);
  }

  public static void writeAllText(java.io.File file, String text) {
    String lf = System.getProperty("line.separator");

    try {
      FileWriter fw = new FileWriter(file);
      fw.write(text);
      fw.flush();
      fw.close();
    } catch (IOException ex) {
      Logger.getLogger(File.class.getName()).log(Level.SEVERE, null, ex);
    }
  }

  public static void writeAllBytes(String filename, byte[] bytes) {
    writeAllBytes(new java.io.File(filename), bytes);
  }

  public static void writeAllBytes(java.io.File file, byte[] bytes) {
    try {
      FileOutputStream fos = new FileOutputStream(file);
      fos.write(bytes);
      fos.close();
    } catch (Exception ex) {
      Logger.getLogger(File.class.getName()).log(Level.SEVERE, null, ex);
    }
  }
}
