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 org.mlai.google.codejam;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;

public class RecycledNumbers {

	private static void processLine(String line, int lineNumber) {
		if (lineNumber == 1) {
			return;
		}
		String outputLine = "";
		String[] lineArray = line.split(" ");
		outputLine = "Case #" + String.valueOf(lineNumber - 1) + ": ";
		
		int firstNumber = 0;
		int lastNumber = 0;
		
		ArrayList<Integer> myNumbers = new ArrayList<Integer>();
		
		int recycledPairs = 0;
		
		firstNumber = Integer.valueOf(lineArray[0]);
		lastNumber = Integer.valueOf(lineArray[1]);
		
		for (int i = lastNumber; i >= firstNumber; i--) {
			myNumbers.add(i);
		}

		
		for (int i = myNumbers.size() - 1; i >= 0 ; i--) {
			if (i > myNumbers.size() - 1) {
				continue;
			}
			ArrayList<Integer> myCombinations = new ArrayList<Integer>();
			String[] numberSplit = String.valueOf(myNumbers.get(i)).split("");
			String myNewNumber = "";
			int numberSplitLength = numberSplit.length - 1;
			int myOriginalNumber = myNumbers.get(i);

			for (int j = numberSplitLength - 1; j > 0 ; j--) {
				if (myNewNumber != "") {
					numberSplit = myNewNumber.split("");
					myNewNumber = "";
				}
				myNewNumber += numberSplit[numberSplit.length - 1];

				
				for (int k = 1; k < numberSplit.length - 1; k++) {
					myNewNumber += numberSplit[k];
				}
				
				if (myNewNumber.startsWith("0")) {
					continue;
				}
				
				if (Integer.valueOf(myNewNumber) > lastNumber) {
					continue;
				}
				
				if (myNewNumber.equalsIgnoreCase(String.valueOf(myOriginalNumber))) {
					continue;
				}
				
				if (Integer.valueOf(myNewNumber) > myOriginalNumber) {
					if (!myCombinations.contains(Integer.valueOf(myNewNumber))) {
						myCombinations.add(Integer.valueOf(myNewNumber));
					}
				}
			}
			
			
			for (int k = 0; k < myCombinations.size(); k++) {
				if (myNumbers.contains(myCombinations.get(k))) {
//					System.out.println("(" + myOriginalNumber + "," + myNewNumber + ")");
					recycledPairs++;
				}
			}
			
			
			if (myNumbers.contains(myOriginalNumber)) {
				myNumbers.remove(myNumbers.indexOf(myOriginalNumber));
			}
			
		}

		
		outputLine += String.valueOf(recycledPairs);
		

		writeFile(outputLine);
	}
	
	private static class Combinations {
		
		
		
	}
	
//	private static class Scores {
//		int total = 0;
//		int score1 = 0;
//		int score2 = 0;
//		int score3 = 0;
//		int scoreToEqual = 0;
//		boolean score2Added = false;
//		boolean score1Added = false;
//		
//		
//		public int getTotal() {
//			return score1 + score2 + score3;
//		}
//		
//		public boolean correct() {
//			if (getTotal() == total) {
//				return true;
//			} else {
//				return false;
//			}
//		}
//		
//		public void setDefaultScore (int defaultScore) {
//			score1 = defaultScore;
//			score2 = defaultScore;
//			score3 = defaultScore;
//		}
//		
//		public boolean bestScore() {
//			if ((score1 >= scoreToEqual) || (score2 >= scoreToEqual) || (score3 >= scoreToEqual)) {
//				return true;
//			} else {
//				return false;
//			}
//		}
//
//	}
	

	public static void main(String[] args) {
		 try{
			  FileInputStream fstream = new FileInputStream("input.txt");

			  DataInputStream in = new DataInputStream(fstream);
			  BufferedReader br = new BufferedReader(new InputStreamReader(in));
			  String strLine;
			  int lineNumber = 0;
			  while ((strLine = br.readLine()) != null)   {
				  lineNumber++;				  
				  processLine(strLine, lineNumber);
			  }
			  in.close();
		    }catch (Exception e){
		    	System.err.println("Error Main: " + e.getMessage());
		    	e.printStackTrace();
	    	}
	}

	
	private static void writeFile(String line) {
		try{
			  System.out.println(line);
			  FileWriter fstream = new FileWriter("out.txt",true);
			  BufferedWriter out = new BufferedWriter(fstream);
			  out.write(line + "\n");
			  out.close();
		  }catch (Exception e){
			  System.err.println("Error writeFile: " + e.getMessage());
		  }
	}

}
