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.*;
import java.util.ArrayList;
import java.util.HashSet;

public class recycled {
    public static void main(String[] args) {
	String filename = args[0];
	ArrayList<String> input = new ArrayList<String>();
	ArrayList<String> output = new ArrayList<String>();
	try {
	    BufferedReader br = new BufferedReader(new FileReader(filename));
	    while (true) {
		String line = br.readLine();
		if (line == null) break;
		input.add(line);
	    }
	    br.close();
	    input.remove(0);
	} catch (IOException e) {
	    System.out.println("Input error. Try a different filename.");
	}
	for (String line: input) {
	    String out = ""+checkCondition(line);
	    System.out.println(out);
	    output.add(out);
	}
	try {
	    PrintWriter pr = new PrintWriter(new FileWriter("output.txt"));
	    for (int i = 0;i < output.size();i++) {
		String line = output.get(i);
		pr.println("Case #" + (i+1) + ": " + line);
	    }
	    pr.close();
	} catch (IOException e) {
	    System.out.println("Output error. Hmph.");
	}
	System.out.println("Process complete.");
    }
    private static int checkCondition(String line) {
	String[] numString = line.split(" ");
	int a = Integer.parseInt(numString[0]);
	int b = Integer.parseInt(numString[1]);
	int recycled = 0;
	/*
	for (int n = a;n <= b;n++) {
	    String N = ""+n;
	    for (int m = n+1;m <= b;m++) {
		String M = ""+m;
		if (areRecycled(M,N)) {
		    recycled++;
		    //System.out.println(M + " " + N);
		}
	    }
	}*/
	for (int n = a;n <= b;n++) {
	    String N = ""+n;
	    HashSet<Integer> perms = new HashSet<Integer>();
	    for (int i = 1;i < N.length();i++) {
		N = permute(N);
		int m = Integer.parseInt(N);
		if (n < m && m <= b) {
		    //recycled++;
		    //System.out.println("" + n + " " + m);
		    perms.add(m);
		}
	    }
	    recycled += perms.size();
	}
	return recycled;
    }
    private static boolean areRecycled(String M,String N) {
	String n = N;
	for (int i = 1;i < N.length();i++) {
	    n = permute(n);
	    if (M.equals(n)) {
		return true;
	    }
	}
	return false;
    }
    private static String permute(String n) {
	char q = n.charAt(0);
	return n.substring(1) + q;
    }
}
