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 nl.bertjesapps.googlecodejam;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;

public class ProblemThree {
	
	private Set<String> results = new HashSet<>();
	
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		if (args.length == 1) {
			String fileName = args[0];
			ProblemThree problemOne = new ProblemThree();
			try {
				problemOne.solveFile(fileName);
			} catch (FileNotFoundException fnf) {
				System.out.println("File not found!");
				System.out.println(fnf.getMessage());
			} catch (IOException e) {
				System.out.println("Could not read file!");
			}
		} else {
			System.out.println("Need 1 argument!");
		}
	}

	private void solveFile(String fileName) throws IOException {
		StringBuilder output = new StringBuilder();
		File file = new File(fileName);
		FileReader fileReader = new FileReader(file);
		BufferedReader reader = new BufferedReader(fileReader);
		String numberOfCasesString = reader.readLine();
		int numberOfCases = Integer.parseInt(numberOfCasesString);
		for (int i = 1; i <= numberOfCases; i++) {
			output.append("Case #" + i + ": ");
			output.append(solveLine(reader.readLine()));
			output.append("\r\n");
		}
		//output.append(results.size());
		FileWriter writer = new FileWriter(fileName.replace(".in", ".out"));
		writer.write(output.toString());
		writer.close();
	}
	
	private String solveLine(String lineToBeSolved) {
		int result = 0;
		String[] parts = lineToBeSolved.split(" ");
		int startingNumber = Integer.parseInt(parts[0]);
		int endingNumber = Integer.parseInt(parts[1]);
		for (int i = startingNumber; i <= endingNumber; i++) {
			countRecycled(i, endingNumber);
		}
		result = results.size();
		results = new HashSet<>();
		return "" + result;
	}
	
	private void countRecycled(int source, int endingNumber) {
		StringBuilder builder = new StringBuilder();
		builder.append(source);
		for (int i = 1; i < builder.length(); i++) {
			String checkNumber = builder.substring(i) + builder.substring(0,i);
			int resultNumber = Integer.parseInt(checkNumber);
			if (resultNumber > source && resultNumber <= endingNumber) {
				results.add("" + source + "" + resultNumber);
			}
		}
	}
}


