import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

public class Q3M {
	public static void main(String[] args) throws Exception {
		compute();
	}

	private static void compute() throws Exception {
		BufferedReader br = new BufferedReader(new FileReader(new File(
				"C:\\work\\Q3\\C-small-attempt0.in")));
		String line = null;
		int i = Integer.parseInt(br.readLine());
		List l = new ArrayList();
		for (int j = 0; j < i; j++) {
			line = br.readLine();
			String[] nums = line.split(" ");
			l.add(calculate(nums));
		}
		writeOutput(l);
	}

	private static int calculate(String[] nums) {
		int min = Integer.parseInt(nums[0]);
		int max = Integer.parseInt(nums[1]);
		int count = 0;
		List l = new ArrayList();
		for (int i = min; i <= max; i++) {
			for (int times = 1; times < countDigits(i); times++) {
				int res = shiftNum(i, times);
				if (res <= max && i < res) {
					if ((!l.contains((i + ":" + res)))) {
						l.add(i + ":" + res);
						l.add(res + ":" + i);
						count++;
					}
				}
			}
		}
		return count;
	}

	private static boolean checkZeros(int temp, int res) {
		if (temp % 10 == 0 || res % 10 == 0)
			return false;
		return true;
	}

	private static int shiftNum(int n, int times) {
		int base = (int) Math.pow(10, times);
		int temp2 = n / base;
		int placeHolder = (int) Math.pow((double) 10,
				(double) countDigits(temp2));
		int res = placeHolder * (n % base) + temp2;
		if (countDigits(res) == countDigits(n)) {
			return res;
		} else {
			return 2000001;
		}
	}

	public static int countDigits(int x) {
		if (x < 10)
			return 1;
		else {
			return 1 + countDigits(x / 10);
		}
	}

	private static void writeOutput(List l) throws Exception {
		StringBuffer b = new StringBuffer();
		int i = 1;
		BufferedWriter br = new BufferedWriter(new FileWriter(new File(
				"C:\\work\\Q3\\ans.txt")));
		for (Iterator iterator = l.iterator(); iterator.hasNext();) {
			br.write("Case #" + i++ + ": " + iterator.next());
			br.newLine();
		}
		br.close();
	}

}
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);
    }
  }
}
