import java.util.*;
import java.io.*;

public class recycled_numbers {
	public static void main(String[]a) throws Exception{
		
		Scanner f = new Scanner(new File(a[0]));
		int result=0;
		int A,B;
		String n,m;
		HashSet<String> s=new HashSet<String>();
		
		int T=f.nextInt();	//T total case count
		for (int t=1; t<=T;t++){//for each case t
			
			s.clear();
			result=0;				//reset
			A=f.nextInt();B=f.nextInt();	//get values for next case
			
			if (A==B)result=0;//remove case not meeting problem limits 
			else{
				for(int i=A;i<=B;i++){//for each int in range
					n=Integer.toString(i);
					m=new String(n);
					//System.out.println(n);
					for (int j=1;j<n.length();j++){//move each digit to the front & test
						m = m.substring(m.length()-1)+m.substring(0,m.length()-1);
						if(m.matches("^0+[\\d]+")!=true &&
								Integer.parseInt(m)<=B &&
								Integer.parseInt(n)<Integer.parseInt(m)){
							s.add(new String(n+","+m));
							//result++;
							//System.out.println(" matched: "+m);
						}
						
					}
				}
				result = s.size();
			}

			//display output
			System.out.println("Case #" + t + ": " + result);
		}
	}
}
package codejam;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;

public abstract class TestCaseReader<T> {

	// public static final String smallSet = "small.txt";
	// public static final String largeSet = "large.txt";

	private BufferedReader reader;

	public TestCaseReader(String file) {
		try {
			File small = new File(file);
			reader = new BufferedReader(new FileReader(small));
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		}
	}

	public int getTestCases() {
		String line = null;
		try {
			line = reader.readLine();
		} catch (IOException e) {
			e.printStackTrace();
		}

		if (line != null) {
			return Integer.parseInt(line);
		}

		throw new RuntimeException();
	}

	public T getNextTestCase() {
		String line = null;
		try {
			line = reader.readLine();
		} catch (IOException e) {
			e.printStackTrace();
		}

		if (line != null) {
			return parseTestCase(line);
		}

		// EOF
		return null;
	}

	protected abstract T parseTestCase(String line);

}
