import java.util.HashMap;
import java.util.HashSet;
import java.util.Scanner;

public class Recycle {

	private static HashMap<Integer, HashSet<Integer>> map = new HashMap<Integer, HashSet<Integer>>();
	private static HashSet<Integer> toSkip = new HashSet<Integer>();
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Scanner reader = new Scanner(System.in);
		int T = reader.nextInt();
		for (int tc = 1; tc <= T; tc++) {
			int a = reader.nextInt();
			int b = reader.nextInt();
			long before = System.currentTimeMillis();
			int res = doit(a, b);
			System.out.printf("Case #%d: %d\n", tc, res);
			long after = System.currentTimeMillis();
//			System.out.println("time taken: " + (after - before));
		}
	}

	private static int doit(int a, int b) {
		int count = 0;
		HashSet<Integer> skip = new HashSet<Integer>(toSkip);
		for (int i = a; i <= b; i++) {
			if (skip.contains(i))
				continue;
			HashSet<Integer> arr = generate(i);
//			if(arr.size() > 1) {
//				map.put(i, arr);
//			}
			// System.out.println(i + " --> " +
			// Arrays.deepToString(arr.toArray()));
			int temp = 0;
			if (arr.size() > 1) {
				for (int x : arr) {
					if (x >= a && x <= b) {
						temp++;
						skip.add(x);
					}
				}
				count += temp * (temp - 1) / 2;
			}
//			System.out.println("not skipping " + i + " gen: " + arr.size()+ " " + (temp * (temp - 1) / 2));
		}
		return count;
	}

	private static HashSet<Integer> generate(int num) {
		if(map.containsKey(num)) {
			HashSet<Integer> list = map.get(num);
			return list;
		}
		HashSet<Integer> list = new HashSet<Integer>();
		String s = "" + num;
		list.add(num);
		int len = s.length();
		for (int i = 1; i < len; i++) {
			String temp = s.substring(i) + s.substring(0, i);
			// System.out.println("temp: " + temp);
			if (temp.charAt(0) == '0')
				continue;
			int x = Integer.parseInt(temp);
			if( x <= 2000000) {
				list.add(x);
			}
		}
		if(list.size() > 1) {
			map.put(num, list);
		} else {
			toSkip.add(num);
		}
		return list;
	}

}

package com.jp.common;

import java.io.BufferedReader;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.PrintStream;
import java.util.Scanner;

public class InputOutputProcessor {
  
  private int numberOfCases;
  private boolean doesInputHaveDataSetLines;
  private int indexOfDataSetLine;
  private int numberOfDataSetLines;
  private final static String DELIMITER = " ";
  
  private Scanner scanInput;
  
  public void initializeInput(String strInputFileName) {
    readInput(strInputFileName);
    numberOfCases = Integer.parseInt(scanInput.nextLine());
  }
  
  /*
   * read input
   */
  private void readInput(String strInputFileName) {
    try {
      scanInput = new Scanner(new BufferedReader(new FileReader(
          strInputFileName)));
    }
    
    catch (Exception exp) {
      // exp.printStackTrace();
      System.out.println(" Please provide File Name with proper location ");
    }
  }
  
  public String[] getDataSet() throws Exception {
    String[] dataSet;
    String strDataSetLine = "";
    
    strDataSetLine = scanInput.nextLine();
    
    if (doesInputHaveDataSetLines) {
      String[] DataSetLineArray = strDataSetLine.split(DELIMITER);
      numberOfDataSetLines = Integer
          .parseInt(DataSetLineArray[indexOfDataSetLine]);
    }
    
    dataSet = new String[numberOfDataSetLines];
    dataSet[0] = strDataSetLine;
    
    for (int i = 1; i < numberOfDataSetLines; i++) {
      dataSet[i] = scanInput.nextLine();
    }
    return dataSet;
  }
  
  /**
   * * @return Returns the numberOfDataSetLines.
   */
  public int getNumberOfDataSetLines() {
    return numberOfDataSetLines;
  }
  
  /**
   * @param numberOfDataSetLines
   *          The numberOfDataSetLines to set.
   */
  public void setNumberOfDataSetLines(int numberOfDataSetLines) {
    this.numberOfDataSetLines = numberOfDataSetLines;
  }
  
  /**
   * * @return Returns the numberOfCases.
   */
  public int getNumberOfCases() {
    return numberOfCases;
  }
  
  /**
   * * @return Returns the doesInputHaveDataSetLines.
   */
  public boolean isDoesInputHaveDataSetLines() {
    return doesInputHaveDataSetLines;
  }
  
  /**
   * @param doesInputHaveDataSetLines
   *          The doesInputHaveDataSetLines to set.
   */
  public void setDoesInputHaveDataSetLines(boolean doesInputHaveDataSetLines) {
    this.doesInputHaveDataSetLines = doesInputHaveDataSetLines;
  }
  
  /**
   * * @return Returns the indexOfDataSetLine.
   */
  public int getIndexOfDataSetLine() {
    return indexOfDataSetLine;
  }
  
  /**
   * @param indexOfDataSetLine
   *          The indexOfDataSetLine to set.
   */
  public void setIndexOfDataSetLine(int indexOfDataSetLine) {
    this.indexOfDataSetLine = indexOfDataSetLine;
  }
  
  public void closeScanner() {
    scanInput.close();
  }
  
  public void writeOutput(String outputFileName, String[] resultArray) {
    PrintStream out = null;
    try {
      out = new PrintStream(new FileOutputStream(outputFileName));
      for (int i = 0; i < resultArray.length; i++) {
        out.print(resultArray[i]);
        out.print("\n");
      }
      out.close();
    } catch (Exception e) {
      e.printStackTrace();
      System.exit(0);
    }
    
  }
  
}
