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.gao.t3;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.HashSet;

public class Main {
	public static void main(String args[]){
		try{
			FileInputStream fin=new FileInputStream("C:\\Users\\Gao\\Downloads\\C-large.in");
			//FileInputStream fin=new FileInputStream("cc.txt");
			BufferedReader br=new BufferedReader(new InputStreamReader(fin));
			FileOutputStream fout=new FileOutputStream("out.txt");
			BufferedWriter bw=new BufferedWriter(new OutputStreamWriter(fout));
			int n=Integer.parseInt(br.readLine());
			HashSet<String> hash=new HashSet<String>();
			for(int i=0;i<n;i++){
				int A,B;
				hash.clear();
				String s[]=br.readLine().split(" ");
				A=Integer.parseInt(s[0]);
				B=Integer.parseInt(s[1]);
				int j=A;
				for(;j<=B;j++){
					String strA=j+"";
					int m=strA.length();
					for(int k=0;k<m-1;k++){
						String end=strA.substring(m-1-k,m);
						if(end.startsWith("0")) continue;
						String start=strA.substring(0,m-1-k);
						String strB=end+start;
						if(strA.compareTo(strB)<0&&strA.compareTo(A+"")>=0&&strB.compareTo(B+"")<=0){
							hash.add(strA+" "+strB);
						}
					}
				}
				String str="Case #"+(i+1)+": "+hash.size();
				bw.write(str);
				if(i<n-1){bw.newLine();}
			}			
			br.close();
			bw.close();
			fin.close();
			fout.close();
		} catch(IOException e){
			e.printStackTrace();
		}
	}

}
