import java.util.HashMap;
import java.util.HashSet;
import java.util.Scanner;

public class Recycle {

	private static HashMap<Integer, HashSet<Integer>> map = new HashMap<Integer, HashSet<Integer>>();
	private static HashSet<Integer> toSkip = new HashSet<Integer>();
	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Scanner reader = new Scanner(System.in);
		int T = reader.nextInt();
		for (int tc = 1; tc <= T; tc++) {
			int a = reader.nextInt();
			int b = reader.nextInt();
			long before = System.currentTimeMillis();
			int res = doit(a, b);
			System.out.printf("Case #%d: %d\n", tc, res);
			long after = System.currentTimeMillis();
//			System.out.println("time taken: " + (after - before));
		}
	}

	private static int doit(int a, int b) {
		int count = 0;
		HashSet<Integer> skip = new HashSet<Integer>(toSkip);
		for (int i = a; i <= b; i++) {
			if (skip.contains(i))
				continue;
			HashSet<Integer> arr = generate(i);
//			if(arr.size() > 1) {
//				map.put(i, arr);
//			}
			// System.out.println(i + " --> " +
			// Arrays.deepToString(arr.toArray()));
			int temp = 0;
			if (arr.size() > 1) {
				for (int x : arr) {
					if (x >= a && x <= b) {
						temp++;
						skip.add(x);
					}
				}
				count += temp * (temp - 1) / 2;
			}
//			System.out.println("not skipping " + i + " gen: " + arr.size()+ " " + (temp * (temp - 1) / 2));
		}
		return count;
	}

	private static HashSet<Integer> generate(int num) {
		if(map.containsKey(num)) {
			HashSet<Integer> list = map.get(num);
			return list;
		}
		HashSet<Integer> list = new HashSet<Integer>();
		String s = "" + num;
		list.add(num);
		int len = s.length();
		for (int i = 1; i < len; i++) {
			String temp = s.substring(i) + s.substring(0, i);
			// System.out.println("temp: " + temp);
			if (temp.charAt(0) == '0')
				continue;
			int x = Integer.parseInt(temp);
			if( x <= 2000000) {
				list.add(x);
			}
		}
		if(list.size() > 1) {
			map.put(num, list);
		} else {
			toSkip.add(num);
		}
		return list;
	}

}

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

public class ProbC {
    
    private static final String FILEPATH = "C:\\Users\\abhineet\\desktop\\codeJam";
    private static final String INFILE_NAME = "c.in";
    private static final String OUTFILE_NAME = "c.out";
    
    private static int a =0;
    private static int b =0;
    private static int count = 0;
    private static Set<Integer> daddySet = new HashSet<Integer>();
    
    public ProbC() {
        super();
    }

    public static void main(String[] args) {
        
        List<String> inList = readFile(FILEPATH +File.separator +INFILE_NAME);
        List<String> outList = new ArrayList<String>();
        int numTestCases = Integer.parseInt(inList.get(0));
        System.out.println("Number of Test Case : " +numTestCases);
        for(int i =0 ; i< numTestCases; i++){
            processDataForAB(inList.get(i+1));
            for(int j = a; j <=b ; j++){
                if (!daddySet.contains(j)){
                    Set<Integer> retSet = getCyclicCombinations(new Integer(j).toString()); 
                    if (retSet.size() > 1){
                        count += getCombinations(retSet.size());
                    }
                }
            }
            outList.add("Case #" +i +": " +count);
            count = 0;
        }
        writeToFile(FILEPATH+File.separator+OUTFILE_NAME, outList);
    }
    
   
    
    private static int getCombinations(int n){
        return n* (n-1) /2;
    }
    
    private static Set<Integer> getCyclicCombinations(String strNum){
        int len = strNum.length();
        Set<Integer> retSet = new HashSet<Integer>();
        StringBuilder strBuilder = new StringBuilder(strNum);
        retSet.add(Integer.parseInt(strNum));
        for (int i =1; i<len; i++){
            char ch = strBuilder.charAt(0);
            strBuilder = strBuilder.deleteCharAt(0);
            strBuilder = strBuilder.append(ch);
            int cyclicVal = Integer.parseInt(strBuilder.toString());
            if (cyclicVal <= b && cyclicVal >=a ){
                retSet.add(cyclicVal);  
                
            }
            
        }
        if (retSet.size() > 1){
            daddySet.addAll(retSet);
        }
        return retSet;
    }
    
    private static void processDataForAB(String inputLine){
        String[] arrStr = inputLine.split(" ");
        a = Integer.parseInt(arrStr[0]);
        b = Integer.parseInt(arrStr[1]);
        System.out.println("PROCESSING FOR : " +a +" and " +b);
    }
    
    private static List<String> readFile(String filePath) {
        List<String> retList = new ArrayList<String>();
        try {
            // Open the file that is the firstS
            // command line parameter
            FileInputStream fstream = new FileInputStream(filePath);
            // Get the object of DataInputStream
            DataInputStream in = new DataInputStream(fstream);
            BufferedReader br = new BufferedReader(new InputStreamReader(in));
            String strLine = null;
            //Read File Line By Line
            while ((strLine = br.readLine()) != null) {
                // Print the content on the console
                retList.add(strLine);
            }
            //Close the input stream
            in.close();
            return retList;
        } catch (Exception e) { //Catch exception if any
            System.err.println("Error: " + e.getMessage());
        }
        return null;
    }

    private static void writeToFile(String filePath, List<String> inputLines) {
        BufferedWriter bufferedWriter = null;
        try {

            //Construct the BufferedWriter object
            bufferedWriter = new BufferedWriter(new FileWriter(filePath));

            //Start writing to the output stream
            for (String str : inputLines) {
                bufferedWriter.write(str);
                bufferedWriter.newLine();
            }

        } catch (FileNotFoundException ex) {
            ex.printStackTrace();
        } catch (IOException ex) {
            ex.printStackTrace();
        } finally {
            //Close the BufferedWriter
            try {
                if (bufferedWriter != null) {
                    bufferedWriter.flush();
                    bufferedWriter.close();
                }
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
    }
}
