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

public class C {

    void solve() throws IOException {
        in("C-large.in"); out("C-large.out");

        long tm = System.currentTimeMillis();
        boolean[] mask = new boolean[2000000];
        int[] r = new int[10];
        int t = readInt();
        for (int cs = 1; cs <= t; ++cs) {
            int a = readInt();
            int b = readInt();
            int ans = 0;
            for (int m = a + 1; m <= b; ++m) {
                char[] d = String.valueOf(m).toCharArray();
                int c = 0;
                for (int i = 1; i < d.length; ++i) {
                    if (d[i] != '0' && d[i] <= d[0]) {
                        int n = 0;
                        for (int j = 0; j < d.length; ++j) {
                            int jj = i + j;
                            if (jj >= d.length) jj -= d.length;
                            n = n * 10 + (d[jj] - '0');
                        }
                        if (n >= a && n < m && !mask[n]) {
                            ++ans;
                            mask[n] = true;
                            r[c++] = n;
                        }
                    }
                }
                for (int i = 0; i < c; ++i) {
                    mask[r[i]] = false;
                }
            }
            println("Case #" + cs + ": " + ans);
            //System.out.println(cs);
        }
        System.out.println("time: " + (System.currentTimeMillis() - tm));
        exit();
    }

    void in(String name) throws IOException {
        if (name.equals("__std")) {
            in = new BufferedReader(new InputStreamReader(System.in));
        } else {
            in = new BufferedReader(new FileReader(name));
        }
    }

    void out(String name) throws IOException {
        if (name.equals("__std")) {
            out = new PrintWriter(System.out);
        } else {
            out = new PrintWriter(name);
        }
    }

    void exit() {
        out.close();
        System.exit(0);
    }

    int readInt() throws IOException {
        return Integer.parseInt(readToken());
    }

    long readLong() throws IOException {
        return Long.parseLong(readToken());
    }

    double readDouble() throws IOException {
        return Double.parseDouble(readToken());
    }

    String readLine() throws IOException {
        st = null;
        return in.readLine();
    }

    String readToken() throws IOException {
        while (st == null || !st.hasMoreTokens()) {
            st = new StringTokenizer(in.readLine());
        }
        return st.nextToken();
    }

    boolean eof() throws IOException {
        return !in.ready();
    }

    void print(String format, Object ... args) {
        out.println(new Formatter(Locale.US).format(format, args));
    }

    void println(String format, Object ... args) {
        out.println(new Formatter(Locale.US).format(format, args));
    }

    void print(Object value) {
        out.print(value);
    }

    void println(Object value) {
        out.println(value);
    }

    void println() {
        out.println();
    }

    StringTokenizer st;

    BufferedReader in;
    PrintWriter out;

    public static void main(String[] args) throws IOException {
        new C().solve();
    }
}

package com.develog;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.StringTokenizer;

public class C {
	final int A = 0;
	final int B = 1;
	
	BufferedReader reader;
	BufferedWriter writer;
	String buf;
	String numStr[];
	
	public C() throws IOException{
		reader = new BufferedReader(new FileReader("C-large.in"));
		writer = new BufferedWriter(new FileWriter("output.txt"));
		
		reader.readLine(); // # of case
		long cnt;
		
		for(int n=1; (buf = reader.readLine()) != null;	n++){
			numStr = getToken(buf);
			cnt = solve(numStr);
//			System.out.println(cnt);
			writer.write(String.format("Case #%d: %d\n", n, cnt));
		}
		reader.close();
		writer.close();
	}
	
	public String[] getToken(String sentence){
		String ret[] = new String[2];
		StringTokenizer token = new StringTokenizer(sentence, " \t");
		int i=0;
		while(token.hasMoreTokens()){
			ret[i++] = token.nextToken();
		}
		return ret;
	}
	
	public long solve(String str[]){
		long num[] = new long[2];
		long m;
		long cnt=0;
		ArrayList<Long> arNum;
		num[A] = Integer.parseInt(str[A]);
		num[B] = Integer.parseInt(str[B]);
		
		for(long a=num[A], b=num[B]; a<=b; a++){
			StringBuilder builder = new StringBuilder(String.valueOf(a));
			int len = builder.length();
			arNum = new ArrayList<Long>();
			for(int i=0; i<len-1; i++){
				builder.append(builder.charAt(0));
				builder.delete(0, 1);
				m = Long.parseLong(builder.toString());
				if(!arNum.contains(m) && a < m && m <= b){
					cnt++;
					arNum.add(m);
				}
			}
			
		}
		return cnt;
	}
}
