/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package Happy;
import java.io.*;
import java.math.*;
import java.lang.*;
import java.util.*;
import java.util.Arrays.*;
import java.io.BufferedReader;
//import java.io.IOException;
//import java.io.InputStreamReader;
//import java.io.PrintWriter;
//import java.util.StringTokenizer;

/**
 *
 * @author ipoqi
 */
public class Happy {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        new Happy().haha();
    }

    public void haha() {
        BufferedReader in = null;
        BufferedWriter out = null;
        try{
            in = new BufferedReader(new FileReader("C-large.in"));
            out = new BufferedWriter(new FileWriter("LLL.out"));
            int T = Integer.parseInt(in.readLine());
            System.out.println("T="+T);

            //LinkedList<Integer> mm = new LinkedList<Integer>();
            //mm.add(new LinkedList<Integer>());
           //int[][] mm;
           //for(int ii=0;ii<mm.length;ii++){
           //     mm[0][ii] = 1;
           //}


            for(int i=0;i<T;i++){
                String[] line = in.readLine().split(" ");
                int A = Integer.parseInt(line[0]);
                int B = Integer.parseInt(line[1]);
                //System.out.print(" A = "+A+"\n");
                //System.out.print(" B = "+B+"\n");

                int ans = 0;

                
                for(int j=A;j<B;j++){
                    int n=j;
                    if(n>=10){
                        String N = Integer.toString(n);
                        int nlen = N.length();
                        List<Integer> oks = new ArrayList<Integer>();
                        for(int k=0;k<nlen-1;k++){
                            String M = "";
                            for(int kk=1;kk<=nlen;kk++){
                                 M = M + N.charAt((k+kk)%nlen);
                            }
                            int m = Integer.parseInt(M);
                            //System.out.print(" N = "+N+"\n");
                            //System.out.print(" M = "+M+"\n");

                            if(m>n && m<=B) {
                                boolean isNewOne = true;
                                for(int kkk=0;kkk<oks.size();kkk++){
                                    //System.out.print(" KKK = "+oks.get(kkk)+"\n");
                                    if(m==oks.get(kkk)){
                                        isNewOne = false;
                                    }
                                }
                                if(isNewOne){
                                    //System.out.print(" N = "+N+"\n");
                                    //System.out.print(" M = "+M+"\n");
                                    oks.add(m);
                                    ans++;
                                }
                            }
                        }
                    }
                }
                out.write("Case #"+(i+1)+": "+ans+"\n");
                System.out.print("Case #"+(i+1)+": "+ans+"\n");
            }
            in.close();
            out.close();
        }catch(Exception e){
            e.printStackTrace();
            try{
                in.close();
                out.close();
            }catch(Exception e1){
                e1.printStackTrace();
            }
        }
        System.out.print("YES!\n");
    }

}
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;

public class RecycledNumbers {
	public static void main(String[] args) {
		try {
			File dataFile = new File(args[0]);
			File outputFile = new File(args[1]);
			if (dataFile.exists()) {
				BufferedReader reader = new BufferedReader(new FileReader(dataFile));
				FileWriter writer = new FileWriter(outputFile, false);

				int maxIteration = Integer.valueOf(reader.readLine());
				int currentLine = 0;
				String line;
				
				while ((line = reader.readLine()) != null && currentLine < maxIteration) {
					int result = 0;
					HashMap<Integer, List<Integer>> recycled = new HashMap<Integer, List<Integer>>();
					String[] AB = line.split(" ");
					for (int min = Integer.valueOf(AB[0]), max = Integer.valueOf(AB[1]), i = min ; i < max ; i++) {
						String currVal = String.valueOf(i);
						String rotatedVal = currVal;
						for (int j = 0; j < currVal.length() - 1; j++){
							rotatedVal = rotateRight(rotatedVal);
							if (String.valueOf(Integer.valueOf(rotatedVal)).length() != String.valueOf(Integer.valueOf(currVal)).length())
								continue;
							int iVal = Integer.valueOf(rotatedVal);
							if (iVal >= min && iVal <= max && iVal != i) {
								int key, val;
								if (i < iVal) {
									key = i;
									val = iVal;
								} else {
									key = iVal;
									val = i;
								}
								if (recycled.containsKey(key)) {
									List<Integer> allVal = recycled.get(key);
									if (allVal != null) {
										if (!allVal.contains(val)) {
											allVal.add(val);
											result++;
										}
									}
								} else {
									List<Integer> addedVal = new ArrayList<Integer>();
									addedVal.add(val);
									recycled.put(key, addedVal);
									result++;
								}
							}
						}
					}

					writer.write("Case #" + ++currentLine + ": " + result + "\n");
				}
				reader.close();
				writer.close();
			}
		} catch (Exception exc) {
			exc.printStackTrace();
		}
	}
	
	private static String rotateRight(String sInput) {
		int len = sInput.length();
		char[] outstring = sInput.toCharArray();
		
		char ch = outstring[len - 1];
		for (int j = len -1; j > 0; j--) {
			outstring[j] = outstring[j - 1];
		}
		outstring[0] = ch;
		return String.valueOf(outstring);
	}
}
