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.*;
import java.util.ArrayList;





public class CodeJamProblem implements Runnable {
//Problem C
	public boolean InRisultati(ArrayList<String> array, String controllo) {
		for(int i =0; i<array.size();i++) {
			if(array.get(i)==controllo) {
				System.out.println("Risutlato gia contato");
				return true;
			}
		}
		return false;
	}
	
	public int getRisultato(int[] items, int caso) {
		// n=6 s=2 p=8 29 20 8 18 18 21
		int vincitori = 0;
		
		Arrays.sort(items);
		int A = items[0];
	    int B = items[1];
	    int current_n =-1;
	    int current_m =-1;
	    // 1 digit, no solution:
	    if (A<10 && B<10)
	    {
	      return 0;
	    }
	    int[] range = new int[B-A+1];
	    //System.out.println("Range LEN:"+ range.length);
	    for(int i=0;i<range.length;i++) {
	    	range[i] = i+A;
	    	//if(caso==3)
	    	//	System.out.print(range[i]+ " ");
	    }
	    int count = 0;
	    
	    ArrayList<String> risultati = new ArrayList<String>();
	    
	    if(caso==3)
	    System.out.println(" ");
	    for (int i = 0; i < range.length; i++)
	    {
	      current_n = range[i];
	      current_m = range[i];
	      String rot_m = ""+current_m;
	      //if(caso==3)
	    	//  System.out.println("Numero: " +current_m);
	      
	      int len = (range[i]+"").length();
	      for (int j = 0; j < len; j++)
	      {
	    	  if(caso==3)
	    		  System.out.print(" " + rot_m.substring(rot_m.length()-1) + 
	    			  rot_m.substring(0,len-1));
	    	  rot_m = (   
	    			  rot_m.substring(rot_m.length()-1) + 
	    			  rot_m.substring(0,len-1)
	    			  );
	        // A ² n < m ² B
	        if (Integer.parseInt(rot_m) <= B && Integer.parseInt(rot_m) > current_n && Integer.parseInt(rot_m) >= A)
	        {
	        	//if(InRisultati(risultati,current_n+rot_m)==false) {
	        	//	risultati.add(current_n+rot_m);
	        		vincitori++;
	        		
	        	//}
	        	
	        }
	      }
	      if(caso==3)
	    	  System.out.println(" ");
	    }
	    if(caso==3)
	    	System.out.println("Winner :"+ vincitori);
		return vincitori;
	}
	
	
	public void solve() throws IOException {
		String test = "small";
		//String test = "large";
		Scanner in = new Scanner(new File("C-large.in")).useDelimiter(System.getProperty("line.separator")); 
        PrintWriter out = new PrintWriter(new File("C-large.out"));
        
        int lineNum = 0;
        int testNum = 0;
        int totalTests = 0;
        int[] points = new int[1];
        while (in.hasNext()) {
        	String currentLine = in.next();
        	if(lineNum ==0 ) {
        		//Do Nothing!
        		totalTests = Integer.parseInt(currentLine);
        		lineNum++;
        		continue;
        	}
        	if(lineNum>0) {
        		String[] x = currentLine.split(" ");
        		points = new int[x.length];
                for(int i = 0;i<x.length;i++) {
               		points[i] = Integer.parseInt(x[i]);
                }
        		int risultato = getRisultato(points, testNum);
        		//if(testNum==3)
        		System.out.println("Case #"+(testNum+1)+": "+ risultato);
        		out.println("Case #"+(testNum+1)+": "+ risultato);
        		testNum++;
        	}
            lineNum++;
        }
        in.close();
        out.close();
        
		
	}
	public void run() {
        try {
            solve();
        } catch (IOException e) {
            System.exit(1);
        }
    }

    public static void main(String[] s) {
        new Thread(new CodeJamProblem()).start();
    }
	
	
	
}
