import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;


public class Main {

//	static int MAX = 10000;
	static int MAX = 2000000;
	static Object[] All = new Object[MAX+1];
	
	static int size( int x ) {
		if(x>999999) return 7;
		if(x>99999)  return 6;
		if(x>9999)   return 5;
		if(x>999)    return 4;
		if(x>99)     return 3;
		if(x>9)      return 2;
		return 1;
	}
	static int[] rotate( int value ) {
		List<Integer> result = new ArrayList<Integer>();
		int[] V = new int[8];
		int s = size(value);
		int x = value;
		
		for(int i=s-1;i>=0;i--) {
			V[i] = x%10;
			x /=10;
		}
		int rot;
		for(int i=1; i<s; i++) {
			if(V[i]!=0){
				rot=0;
				for(int j=0,ii=i;j<s; j++,ii=(ii+1)%s){
					rot=rot*10+V[ii];
				}
				if(rot>value && !result.contains(rot))
					result.add(rot);
			}
		}
		if( result.isEmpty() )
			return null;
		int[] r = new int[result.size()];
		for(int i=0; i<r.length; i++)
			r[i]=result.get(i);
		return r;
	}
	
	static void precalculate() {
		for(int i=1; i<=MAX; i++){
			All[i] = rotate(i);
		}
	}
	static int solve( Scanner in ) {
		int A, B, sol=0;
		
		A = in.nextInt();
		B = in.nextInt();

		for( int i=A; i<=B; i++) {
//			List<Integer> result = rotate(i);
			if( All[i]!=null ) {
				for(int value: (int[])All[i] ) {
					if( value <= B )
						sol++;
				}
			}
		}

		return sol;
	}
	
	public static void main ( String args[] ) {
		int T; 
		Scanner in = new Scanner(System.in);
		T = in.nextInt();
		int cnt=0;
		int sol;
		precalculate();
		for( cnt=1; cnt<=T; cnt++ ) {
			sol = solve( in );
			System.out.printf("Case #%d: %d\n", cnt, sol);
		}

	}
}

package bchang;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.*;

/**
 * Created with IntelliJ IDEA.
 * User: bchang
 * Date: 4/14/12
 * Time: 9:48 PM
 * To change this template use File | Settings | File Templates.
 */
public class ProblemC {
    private static void cycle(char[] charArray) {
        char first = charArray[0];
        for (int i = 1; i < charArray.length; i++) {
            charArray[i - 1] = charArray[i];
        }
        charArray[charArray.length - 1] = first;
    }

    private static Set<String> toSet(int a, int b) {
        Set<String> set = new TreeSet<String>();
        for (int x = a; x <= b; x++) {
            set.add(Integer.toString(x));
        }
        return set;
    }

    private static int combos(int n) {
        if (n == 1) {
            return 1;
        }
        return n + combos(n-1);
    }

    private static int process(BufferedReader reader) throws IOException {
        String[] pair = reader.readLine().split(" ");
        int a = Integer.parseInt(pair[0]);
        int b = Integer.parseInt(pair[1]);
        Set<String> set = toSet(a, b);
        int counter = 0;
        while (set.size() > 0) {
            Iterator<String> iterator = set.iterator();
            String n = iterator.next();
            iterator.remove();
            char[] working = n.toCharArray();
            Set<Integer> matchingPairs = new HashSet<Integer>();
            for (int idx = 1; idx < working.length; idx++) {
                cycle(working);
                String mStr = new String(working);
                int mInt = Integer.parseInt(mStr);

                if (a <= mInt && mInt <= b && !n.equals(mStr) && mStr.charAt(0) != '0') {
                    set.remove(mStr);
                    matchingPairs.add(mInt);
                }
            }
            if (matchingPairs.size() > 0) {
                int numPairs = combos(matchingPairs.size());
                counter += numPairs;
            }
        }
        return counter;
    }

    public static void main(String[] args) throws Exception {
        BufferedReader reader = null;
        try {
            reader = new BufferedReader(new InputStreamReader(System.in));
            int t = Integer.parseInt(reader.readLine());
            for (int i = 0; i < t; i++) {
                int result = process(reader);
                System.out.println("Case #" + (i + 1) + ": " + result);
            }
        }
        finally {
            if (reader != null) {
                try {
                    reader.close();
                }
                catch (IOException e) {
                }
            }
        }

    }
}
