package Main;

import com.sun.deploy.util.ArrayUtil;
import org.apache.commons.lang3.ArrayUtils;

import java.io.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;

/**
 * Created with IntelliJ IDEA.
 * User: arran
 * Date: 14/04/12
 * Time: 3:12 PM
 * To change this template use File | Settings | File Templates.
 */
public class Round {
    public StringBuilder parse(BufferedReader in) throws IOException {
        StringBuilder out = new StringBuilder();
        String lineCount = in.readLine();

        for (int i = 1; i <= Integer.parseInt(lineCount); i++)
        {
            out.append("Case #"+i+": ");
            System.err.println("Case #"+i+": ");
            String line = in.readLine();
            String[] splits = line.split(" ");
            int p1 = Integer.valueOf(splits[0]);
            int p2 = Integer.valueOf(splits[1]);
            int r = pairRecyclable(p1, p2);
            out.append(r);

//            if (i < Integer.parseInt(lineCount))
                out.append("\n");
        }
        return out;
    }

    public static int pairRecyclable(int i1, int i2) {
        HashSet<String> hash = new HashSet<String>();
        for (int i = i1; i < i2; i++)
        {
            String istr = String.valueOf(i);
            if (istr.length() < 2) continue;
            for (int p = 0; p < istr.length() ; p++)
            {
                String nistr = istr.substring(p,istr.length()).concat(istr.substring(0,p));
                if (Integer.valueOf(nistr) < i1) continue;
                if (Integer.valueOf(nistr) > i2) continue;
                if (nistr.equals(istr)) continue;
                String cnistr = (Integer.valueOf(nistr) > Integer.valueOf(istr)) ?  istr + "," + nistr : nistr + "," + istr;
                hash.add(cnistr);
            }
        }
        return hash.size();
    }

    public static void main(String[] args) {
        InputStreamReader converter = null;
        try {
            int attempt = 0;
            String quest = "C";
//            String size = "small-attempt";
            String size = "large";
            converter = new InputStreamReader(new FileInputStream("src/resource/"+quest+"-"+size+".in"));
            BufferedReader in = new BufferedReader(converter);
            Round r = new Round();
            String str = r.parse(in).toString();
            System.out.print(str);
            FileOutputStream fos = new FileOutputStream(quest+"-"+size+".out");
            OutputStreamWriter osw = new OutputStreamWriter(fos);
            BufferedWriter bw = new BufferedWriter(osw);
            bw.write(str);
            bw.flush();
            bw.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }
}

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
public class CodeJam {
	public static void main(String args[]){
		try {
			FileReader f = new FileReader("C-large.in");
			BufferedReader in = new BufferedReader(f);
			FileWriter fwrite = new FileWriter("output");
			BufferedWriter out = new BufferedWriter(fwrite);
			int n = Integer.parseInt(in.readLine().toString());
			int i =0;
			int count = 0;
			int a;
			int b;
			String line;
			while(i<n){
				out.write("Case #"+(i+1)+": ");
				line = in.readLine();
				a = Integer.parseInt(line.substring(0,line.indexOf(" ")));
				line = line.substring(line.indexOf(" ")+1);
				b= Integer.parseInt(line.substring(0,line.length()));
				count = 0;
//				System.out.println(a+" "+b);
				count = answer(a,b);
				out.write(String.valueOf(count));
				out.newLine();
				i++;
			}
			in.close();
			out.close();
			
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		
	}
	private static int shift(int a, int n){
		String temp = String.valueOf(a);
		char c[]= new char[temp.length()];
		int j=0;
		while(j<n){
			for (int i = 0 ; i< temp.length();i++){
				c[i]= temp.charAt((temp.length()+i-1)%temp.length());
			}
			temp = String.valueOf(c);
			j++;
		}
		return Integer.parseInt(temp);
	}
	private static int answer(int a, int b) {
		int n =a;
		int count = 0;
		shift(a,3);
		while(n<=b){
			count += check(n,a,b);
			n++;
		}
		return count;
	}
	private static int check(int n, int a, int b) {
		int digit = String.valueOf(a).length();
		int temp = 0;
		int res = 0;
		int flag = 0;
		int ar[] = new int[digit];
		for(int i = 0; i<digit ; i++){
			temp = shift(n,i);
			ar[i]=temp;

			if(temp>= a && temp>n && temp <= b ){
				for(int z=0;z<i;z++){
					if(temp == ar[z]){
						flag = 1;
					}
				}
				if(flag == 0)
					res ++;
			}
		}
		return res;
	}
}