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 c;

import java.io.*;
import java.lang.Math.*;
import java.util.Arrays;

public class C {

	public static void main(String[] args) {

		try {
			BufferedReader input = new BufferedReader(new FileReader("C:/CodeJam/C-large.in"));
			BufferedWriter output = new BufferedWriter(new FileWriter("C:/CodeJam/C-large.out"));
			try {
				int T = Integer.parseInt(input.readLine());

				//Process each case
				for (int i = 0; i < T; i++) {
					String line = input.readLine();
					String[] AB = line.split(" ");
					int A = Integer.parseInt(AB[0]);
					int B = Integer.parseInt(AB[1]);
					String max = String.valueOf(B);

					//Check every n,m pair for cur case
					int count = 0;
					for (int j = A; j < B; j++) {
						String n = String.valueOf(j);
						String m = n;
						int len = m.length();
						//For single digit numbers, no matches possible
						if (len == 1) {
							break;
						}
						//Check each possible match for current n
						int[] matches = new int[len];
						int subcount = 0;
						for (int k = 0; k < len; k++) {
							//Check current permutation of m for valid range
							if (m.compareTo(n) > 0 && m.compareTo(max) <= 0) {
								matches[subcount] = Integer.parseInt(m);
								subcount++;
							}
							//Move the last digit to the front
							m = m.substring(len - 1, len) + m.substring(0, len - 1);
						}
						//Check the matches for duplicates and uncount them
						Arrays.sort(matches);
						for (int k = 0; k < len - 1; k++) {
							if(matches[k] != 0 && matches[k+1] != 0 && matches[k] == matches[k+1]) {
								subcount--;
							}
						}
						count += subcount;
					}

					System.out.println("Case #" + (i + 1) + ": " + count);
					output.write("Case #" + (i + 1) + ": " + count + "\n");
				}
			} finally {
				input.close();
				output.close();
			}
		} catch (IOException ex) {
			ex.printStackTrace();
		}
	}
}
