/*
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 * and open the template in the editor.
 */
package codejam;

/**
 *
 * @author eblanco
 */
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashSet;
import javax.swing.JFileChooser;

public class RecycledNumbers {

    public static String DatosArchivo[] = new String[10000];

    public static int[] convertStringArraytoIntArray(String[] sarray) throws Exception {
        if (sarray != null) {
            int intarray[] = new int[sarray.length];
            for (int i = 0; i < sarray.length; i++) {
                intarray[i] = Integer.parseInt(sarray[i]);
            }
            return intarray;
        }
        return null;
    }

    public static boolean CargarArchivo(String arch) throws FileNotFoundException, IOException {
        FileInputStream arch1;
        DataInputStream arch2;
        String linea;
        int i = 0;

        if (arch == null) {
            //frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
            JFileChooser fc = new JFileChooser(System.getProperty("user.dir"));
            int rc = fc.showDialog(null, "Select a File");
            if (rc == JFileChooser.APPROVE_OPTION) {
                arch = fc.getSelectedFile().getAbsolutePath();
            } else {
                System.out.println("No hay nombre de archivo..Yo!");
                return false;
            }
        }
        arch1 = new FileInputStream(arch);
        arch2 = new DataInputStream(arch1);
        do {
            linea = arch2.readLine();
            DatosArchivo[i++] = linea;
            /* if (linea != null) {
            System.out.println(linea);
            }*/
        } while (linea != null);
        arch1.close();
        return true;
    }

    public static boolean GuardaArchivo(String arch, String[] Datos) throws FileNotFoundException, IOException {
        FileOutputStream out1;
        DataOutputStream out2;
        int i;
        out1 = new FileOutputStream(arch);
        out2 = new DataOutputStream(out1);

        for (i = 0; i < Datos.length; i++) {
            if (Datos[i] != null) {
                out2.writeBytes(Datos[i] + "\n");
            }
        }
        out2.close();
        return true;
    }

    public static void echo(Object msg) {
        System.out.println(msg);
    }

    public static void main(String[] args) throws IOException, Exception {
        String[] res = new String[10000], num = new String[2];
        int i, j, k, ilong;
        int ele = 1;
       ArrayList al = new ArrayList();
        String FName = "C-small-attempt0",  istr, irev, linea;
        if (CargarArchivo("C:\\eblanco\\Desa\\CodeJam\\Code Jam\\test\\" + FName + ".in")) {
            for (j = 1; j <= Integer.parseInt(DatosArchivo[0]); j++) {
                linea = DatosArchivo[ele++];
                num = linea.split(" ");
                   al.clear();
                // echo("A: "+num[0]+" B: "+num[1]);
                for (i = Integer.parseInt(num[0]); i <= Integer.parseInt(num[1]); i++) {
                    istr = Integer.toString(i);
                    ilong = istr.length();
                 
                    for (k = 1; k < ilong; k++) {
                        if (ilong > k) {
                            irev = istr.substring(istr.length() - k, istr.length()) + istr.substring(0, istr.length() - k);
                            //echo("caso: " + j + ": isrt: " + istr + " irev: " + irev);
                            if ((Integer.parseInt(irev) > Integer.parseInt(num[0])) && (Integer.parseInt(irev) > Integer.parseInt(istr)) && (Integer.parseInt(irev) <= Integer.parseInt(num[1]))) {
                                al.add("(" + istr + "," + irev + ")");
                            }
                        }
                    }
                }
                HashSet hs = new HashSet();
                hs.addAll(al);
                al.clear();
                al.addAll(hs);
                res[j] = "Case #" + j + ": " + al.size();
                echo(res[j]);
                LeerArchivo.GuardaArchivo("C:\\eblanco\\Desa\\CodeJam\\Code Jam\\test\\" + FName + ".out", res);
            }
        }
    }
}

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


public class RecycledNumbers {
	public static File input;
	public static FileReader inputreader;
	public static BufferedReader in;

	public static File output;
	public static FileWriter outputwriter;
	public static BufferedWriter out;

	public static BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
	public static StringTokenizer st;
	
	public static void main(String[] args) {
		try {
			
			String name = "input-3";
			
			setInput(name);
			setOutput(name + ".out");
			
			int cases = getInt();
			
			for(int caseNr = 1; caseNr <= cases; caseNr++) {
				int A = getInt(), B = getInt();
				
				print("Case #"+caseNr+": ");
				print(""+getRecycledPairs(A, B));
				print("\n");
			}
			
			out.flush();
			out.close();
			in.close();
		} catch(Exception e) {
			e.printStackTrace();
		}
		
	}
	
	public static int getRecycledPairs(int start, int stop) {
		int pairs = 0;
		
		ArrayList<MyTuple> pairsList = new ArrayList<MyTuple>();
		
		String startAsString = ""+start;
		int numberOfDigits = startAsString.length();
		
		for(int i = start+1; i <= stop; i++) {
			int oldVersion = i;
			int newVersion = i;
			String rotator = i+"";
			
			for(int j = 1; j < numberOfDigits; j++) {
				rotator = moveDigitFromBackToFront(rotator);
				newVersion = Integer.parseInt(rotator);
				
				if (newVersion >= start && newVersion <= stop && newVersion < oldVersion) {
					//System.out.println("Found pair (" + newVersion + ", " + oldVersion + ")");
					
					MyTuple pairTuple = new MyTuple(newVersion, oldVersion);
					
					if (!pairsList.contains(pairTuple)) {
						pairs++;
						pairsList.add(pairTuple);
					}
				}
			}
		}
		
		return pairs;
	}
	
	public static String moveDigitFromBackToFront(String toMove) {
		String lastDigit = toMove.substring(toMove.length()-1);
		String toReturn = lastDigit + toMove.substring(0, toMove.length()-1);
		
		return toReturn;
	}
	
	private static class MyTuple {
		public int x, y;
		
		public MyTuple(int x, int y) {
			this.x = x;
			this.y = y;
		}
		
		@Override
		public boolean equals(Object o) {
			if (o instanceof MyTuple) {
				MyTuple t = (MyTuple) o;
				if (this.x == t.x && this.y == t.y) return true;
			}
			
			return false;
		}
	}
	
	// -------------------- I/O stuff -------------------------
	public static void setInput(String filename) throws IOException {
		input = new File(filename);
		inputreader = new FileReader(input);
		in = new BufferedReader(inputreader);
	}
	
	public static void setOutput(String filename) throws IOException {
		output = new File(filename);
		outputwriter = new FileWriter(output);
		out = new BufferedWriter(outputwriter);
	}

	
	static void print(String s) throws IOException {
		System.out.print(s);
		out.write(s);
	}
	
	static String readLine() throws IOException {
		//return stdin.readLine();
		return in.readLine();
	}

	static String getToken() throws IOException {
		while (st == null || !st.hasMoreTokens()) st = new StringTokenizer(readLine());
		
		return st.nextToken();
	}
	
	static int getInt() throws IOException {
		return Integer.parseInt(getToken());
	}

	static String getChar() throws IOException {
		return getToken();
	}
	
	static String getLine() throws IOException {
		return readLine();
	}
}


