import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;


public class Main {

//	static int MAX = 10000;
	static int MAX = 2000000;
	static Object[] All = new Object[MAX+1];
	
	static int size( int x ) {
		if(x>999999) return 7;
		if(x>99999)  return 6;
		if(x>9999)   return 5;
		if(x>999)    return 4;
		if(x>99)     return 3;
		if(x>9)      return 2;
		return 1;
	}
	static int[] rotate( int value ) {
		List<Integer> result = new ArrayList<Integer>();
		int[] V = new int[8];
		int s = size(value);
		int x = value;
		
		for(int i=s-1;i>=0;i--) {
			V[i] = x%10;
			x /=10;
		}
		int rot;
		for(int i=1; i<s; i++) {
			if(V[i]!=0){
				rot=0;
				for(int j=0,ii=i;j<s; j++,ii=(ii+1)%s){
					rot=rot*10+V[ii];
				}
				if(rot>value && !result.contains(rot))
					result.add(rot);
			}
		}
		if( result.isEmpty() )
			return null;
		int[] r = new int[result.size()];
		for(int i=0; i<r.length; i++)
			r[i]=result.get(i);
		return r;
	}
	
	static void precalculate() {
		for(int i=1; i<=MAX; i++){
			All[i] = rotate(i);
		}
	}
	static int solve( Scanner in ) {
		int A, B, sol=0;
		
		A = in.nextInt();
		B = in.nextInt();

		for( int i=A; i<=B; i++) {
//			List<Integer> result = rotate(i);
			if( All[i]!=null ) {
				for(int value: (int[])All[i] ) {
					if( value <= B )
						sol++;
				}
			}
		}

		return sol;
	}
	
	public static void main ( String args[] ) {
		int T; 
		Scanner in = new Scanner(System.in);
		T = in.nextInt();
		int cnt=0;
		int sol;
		precalculate();
		for( cnt=1; cnt<=T; cnt++ ) {
			sol = solve( in );
			System.out.printf("Case #%d: %d\n", cnt, sol);
		}

	}
}

package com.anuragkapur.jam2012.qr.C;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashSet;
import java.util.Set;
import java.util.StringTokenizer;

/**
 * @author anuragkapur
 * 
 */
public class RecycledNumbers {
	
	public void writeOutputToFile(String output, String filepath)
			throws IOException {
		FileWriter fstream = new FileWriter(filepath);
		BufferedWriter out = new BufferedWriter(fstream);
		out.write(output);
		out.flush();
		out.close();
	}
	
	// methods for algorithm logic here
	public int computeCountOfRecycledPairs(String input) {
		StringTokenizer tokenizer = new StringTokenizer(input, " ");
		Set<String> recycledPairs = new HashSet<String>();
		
		int a = -1;
		int b = -1;
		
		int tokenCount = 0;
		while (tokenizer.hasMoreElements()) {
			tokenCount ++;
			String token = (String) tokenizer.nextElement();
			if (tokenCount == 1) {
				a = Integer.parseInt(token);
			}else {
				b = Integer.parseInt(token);
			}
		}
		
		int originalA = a;
		int originalB = b;
		
		int noOfRecycledPairs = 0;
		if (a == b) {
			return 0;
		}
		
		
		while (a <= b) {
			
			String aStr = "" + a;
			String bStr = "" + b;
			int noOfDigits = aStr.length();
			
			if (noOfDigits < 2) {
				break;
			}else {
				int noOfDigitsToMove = 1;
				while(noOfDigitsToMove < noOfDigits) {
					String movedDigitsString = aStr.substring(noOfDigits - noOfDigitsToMove);
					String unmovedDigitsString = aStr.substring(0, noOfDigits - noOfDigitsToMove);
					int movedDigits = Integer.parseInt(movedDigitsString);
					int unmovedDigits = Integer.parseInt(unmovedDigitsString);
					
					//Check if number at first index is 0. If yes, this is not a valid case
					int firstDigitOFMovedDigits = Integer.parseInt(movedDigitsString.substring(0,1));
					if (firstDigitOFMovedDigits == 0) {
						noOfDigitsToMove ++;
					}else {
						String newNumberString = movedDigitsString + unmovedDigitsString;
						int newNumber = Integer.parseInt(newNumberString);
						//System.out.println("old number " + a + " new number :: " + newNumber);
						if (newNumberString.length() == aStr.length()) {
							if(newNumber > a && newNumber <= originalB && a >= originalA) {
								//System.out.println("recycled pair found :: " + a + " and " + newNumber);
								// Add pair found to a SET so that duplicates get ignored automatically
								recycledPairs.add(a + "," + newNumberString);
							}
						}
						noOfDigitsToMove ++;
					}
				}
			}
			a ++;
		}
		
		noOfRecycledPairs = recycledPairs.size();
		return noOfRecycledPairs;
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		
		if (args.length < 2) {
			System.out.println("Not enough command line arguments specified. Need 2 (Input and output file paths)");
			return;
		}
		
		String inputFilePath = args[0];
		try {
			// String buffer for storing the output
			StringBuffer output = new StringBuffer();
			
			// Instantiate object to use non static methods
			RecycledNumbers recycled = new RecycledNumbers();
			
			// read and parse input file
			FileInputStream fstream = new FileInputStream(inputFilePath);
			DataInputStream in = new DataInputStream(fstream);
			BufferedReader br = new BufferedReader(new InputStreamReader(in));
			String strLine;

			int lineNumber = 0;
			int noOfTestCases = -1;
			int activeTestCaseNumber = 0;
			while ((strLine = br.readLine()) != null) {
				
				if (lineNumber == 0) {
					noOfTestCases = Integer.parseInt(strLine);
				} else {
					noOfTestCases ++;
					activeTestCaseNumber ++;
					// Now that a test case has been parsed, compute output for
					// this test case
					
					// Invoke algorithm here
					int solutionToTestCase = recycled.computeCountOfRecycledPairs(strLine);
					
					// Prepare output string
					//System.out.println(solutionToTestCase);
					output.append("Case #" + activeTestCaseNumber + ": " + solutionToTestCase);
					output.append("\n");
				}
				lineNumber++;
			}
			
			in.close();
			
			// Pass output string to method to write to file
			recycled.writeOutputToFile(output.toString(), args[1]);
			
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			// File read cleanup
		}
	}
}