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.googlecodejam.gcj2012.qualificationround;

import java.io.File;
import java.io.FileWriter;
import java.util.HashSet;
import java.util.Scanner;

public class C {

//	public final static String INPUT_FILE_NAME = "test.in";
//	public final static String INPUT_FILE_NAME = "C-small-attempt0.in";
	public final static String INPUT_FILE_NAME = "C-large.in";
	
	public FileWriter outputWriter;
	public Scanner scanner;
	public String output = "";
	
	public void run() throws Exception {
		// Commons variables
		int testCaseNumber = 0;
		int testCaseResult = 0;
		// Test start
		{
			int nbTests = Integer.parseInt(scanner.nextLine());
			
			for (testCaseNumber = 0; testCaseNumber < nbTests; testCaseNumber++) {
				String[] bounds = scanner.nextLine().split(" ");
				String sMinValue = bounds[0];
				String sMaxValue = bounds[1];
				int minValue = Integer.parseInt(sMinValue);
				int maxValue = Integer.parseInt(sMaxValue);
				int nbDigits = sMinValue.length();
				testCaseResult = 0;
				if (nbDigits > 1) {
					for (int currentValue = minValue; currentValue < maxValue; currentValue++) {
						HashSet<Integer> foundValues = new HashSet<Integer>();
						String sCurrentValue = Integer.toString(currentValue);
						char firstNumber = sCurrentValue.charAt(0);
						for (int i = nbDigits - 1; i > 0; i--) {
							char number = sCurrentValue.charAt(i);
							if (number >= firstNumber) {
								String firstPart = sCurrentValue.substring(0, i);
								String secondPart = sCurrentValue.substring(i);
								int val = Integer.parseInt(secondPart + firstPart);
								if (val <= maxValue && val > currentValue && !foundValues.contains(val)) {
									testCaseResult++;
									foundValues.add(val);
								}
							}
						}
					}
				}
				
				output += "Case #" + (testCaseNumber+1) + ": " + testCaseResult + "\n";
			}
		}
	}
	
	/////////////////////////////////////////////////////////////////////////////////////////////////////
	
	public void init() throws Exception {
		File temp = new File("output/");
		if (!temp.exists()) {
			temp.mkdir();
		}
		// Output file
		outputWriter = new FileWriter("output/output.txt", false);
		// Input file
		scanner = new Scanner(new File("resources/" + INPUT_FILE_NAME));
	}

	public void stop() throws Exception {
		// Closing files
		outputWriter.write(output, 0, output.length());
		scanner.close();
		outputWriter.close();
	}
	
	/**
	 * @param args
	 */
	public static void main(String[] args) throws Exception {
		C instance = new C();
		long start = System.currentTimeMillis();
		
		instance.init();
		instance.run();
		instance.stop();
		
		System.out.println("Finished in " + (System.currentTimeMillis() - start) + " ms");
	}
	
}
