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

public class C {
	public static void main(String[] args) throws Exception {
		String inputfilename = args[0];
		String outputfilename = args[1];
		BufferedReader br = new BufferedReader(new FileReader(inputfilename));
		BufferedWriter bw = new BufferedWriter(new FileWriter(outputfilename));
		int cases = Integer.valueOf(br.readLine());
		for(int i = 0; i < cases; i++) {
			String[] ele = br.readLine().split(" ");
			int A = Integer.valueOf(ele[0]);
			int B = Integer.valueOf(ele[1]);
			int result = C.solve(A,B);
			bw.write("Case #" + (i + 1) + ": " + result + "\n");
		}
		br.close();
		bw.close();
	}
	
	public static int solve(int A,int B) {
		int cnt = 0;
		//System.out.println("\nDoing " + A + " " + B);
		String Astr = String.valueOf(A);
		String Bstr = String.valueOf(B);
		for(int cur = A; cur <= B; cur++) {
			String cstr = String.valueOf(cur);
			//System.out.println("\n" + cstr + "\n");
			Set<String> tset = new HashSet<String>();
			for(int i = 1; i < cstr.length(); i++)
			{
				String tmp = cstr.substring(i) + cstr.substring(0,i);
				//System.out.println(" " + tmp);
				if(tmp.compareTo(cstr) > 0 && tmp.compareTo(Bstr) <= 0 && !tset.contains(tmp)) {
					cnt++;
					tset.add(tmp);
					//System.out.print(" " + cstr + "!!" +tmp);
				}
			}
		}
		return cnt;
	}
}