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.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashSet;

public class RecycledNumbers {
	HashSet<Pair> rnumsPairs = new HashSet<Pair>();
	PrintWriter out = null;
	BufferedReader in = null;

	public RecycledNumbers() {
		try {
			out = new PrintWriter(new FileWriter("B-small-practice.out"));
			in = new BufferedReader(new FileReader("C-large.in"));
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public void getRecycleNumbers(int num, int A, int B) {
		String aux = num + "";
		int an = 0;
		int len = aux.length();
		String rnum = "";
		int rn = 0;
		for (int i = 1; i < len; i++) {
			rnum = aux.substring(i) + aux.substring(0, i);
			rn = Integer.parseInt(rnum);
			an = Integer.parseInt(aux);
			if ((rn > A) && (rn <= B) && (an < rn)) {
				Pair p = new Pair(an, rn);
				rnumsPairs.add(p);
			}
		}
	}

	public void getCount(int A, int B) {
		for (int i = A; i <= B; i++) {
			getRecycleNumbers(i, A, B);
		}
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		RecycledNumbers rn = new RecycledNumbers();
		try {
			int nt = Integer.parseInt(rn.in.readLine());
			String num[] = new String[2];
			for (int i = 1; i <= nt; i++) {
				num = rn.in.readLine().split(" ");
				int A = Integer.parseInt(num[0]);
				int B = Integer.parseInt(num[1]);
				rn.getCount(A, B);
				rn.out.println("Case #" + i + ": " + rn.rnumsPairs.size());
				rn.rnumsPairs.clear();
			}
		} catch (NumberFormatException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		rn.out.close();
	}

}

class Pair {
	int a = 0;
	int b = 0;

	public Pair(Integer a, Integer b) {
		this.a = a;
		this.b = b;
	}

	public boolean equals(Object o) {

		if (o == null) {
			return false;
		}
		if (!(o instanceof Pair))
			return false;
		Pair p = (Pair) o;
		if (((p.a == a) && (p.b == b)) || ((p.a == b) && (p.b == a))) {
			return true;
		}
		return false;
	}

	public int hashCode() {
		int hcode = a + "".hashCode() + b + "".hashCode();
		return hcode;
	}
}
