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 Qualifier;

import java.io.*;
import java.util.*;

public class C {
	private static Scanner in;
	private static PrintWriter out;
    private static String testCase = "C-large";

    public static void main(String[] args) throws Exception {
        Locale.setDefault(Locale.ENGLISH);
        out = new PrintWriter(new FileOutputStream(testCase + ".out"));
        in = new Scanner(new BufferedReader(new InputStreamReader(new FileInputStream(testCase + ".in"))));
        
        int tests = in.nextInt();
        in.nextLine();
    	
        for (int t = 1; t <= tests; ++t) {
            out.print("Case #" + t + ": ");
            new C().solve();
        }
        in.close();
        out.close();
    }

    void solve() throws Exception {
    	int A = in.nextInt();
    	int B = in.nextInt();
    	long result = 0; 
    	if(B < A || String.valueOf(A).trim().length() != String.valueOf(B).trim().length()){
    		return;
    	}
    	
    	for(int n=A; n<=B; n++){
    		String nString = String.valueOf(n);
    		int length = nString.length();
    		String mString = nString;
    		for(int j = 1; j < length; j++){
    			mString = nString.substring(j, length) + nString.substring(0 , j);
    			int mCase = Integer.parseInt(mString);
    			if(mCase >= A && mCase <= B && mCase > n){
    				result++;
    			}
    		}
    	}
  
    	out.println(result);
    }
}
