import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;
import java.util.Set;

public class CopyOfCopyOfMain {

	static int ndigits(int n) {
		return (int) (Math.log10(n) + 1);
	}

	static int rot(int n, int dig) {
		return (int) ((n % 10) * Math.pow(10, dig - 1)) + (int) (n / 10);
	}

	public static void main(String[] args) throws FileNotFoundException {
		String file = "C-large";
		Scanner in = new Scanner(new File(file + ".in"));
		PrintWriter out = new PrintWriter(new File(file + ".out"));

		int T = in.nextInt();
		for (int t = 1; t <= T; t++) {
			int A = in.nextInt();
			int B = in.nextInt();

			int c = 0;
			int[] list = new int[ndigits(B)];
			numbers: for (int i = A; i <= B; i++) {
				int digs = ndigits(i);
				int rot = i;
				int pairs = 0;

				Arrays.fill(list, -1);
				list[0] = i;

				digits: for (int j = 1; j <= digs + 1; j++) {

					rot = rot(rot, digs);
					if(rot < i)
						continue;

					if (A <= rot && rot <= B) {
						for (int k = 0; k < j; k++) {
							if (list[k] == rot) {
								continue digits;
							}
						}
						pairs++;
						list[j] = rot;
					}
				}

				//c += pairs * (pairs + 1) / 2;
				c += pairs ;
				// c+=digs;
			}
			out.println("Case #" + t + ": " + c);
		}

		in.close();
		out.close();
	}
}

package ulohy;

import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class codejam_3 {
	
	static byte cases;
	static int A, B;
	static List<Integer> l1 = new ArrayList<Integer>();
	static List<Integer> l2 = new ArrayList<Integer>();
	static int[] pairs;
	static int[] rotated_array = new int[10]; 
	
	public static void read_input() {
		
		Scanner s = null;
		try {
			s = new Scanner(new FileReader("./src/ulohy/C-small-attempt1.in"));
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		}
		
		cases = s.nextByte();
		
		pairs = new int[cases]; 
		
		for (int i = 0; i < cases; i++) {
			l1.add(s.nextInt());
			l2.add(s.nextInt());			
		}

		s.close();	
	}
	
	public static void write_output() {
		FileWriter outFile;
		try {
			outFile = new FileWriter("./src/ulohy/output");		
			PrintWriter out = new PrintWriter(outFile);
			for (int i = 1; i <= cases; i++) {
				out.println("Case #"+i+": "+pairs[i-1]);				
			}
			out.close();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
	
	public static int rotateNumber(int number, int mul)	{
		return number / 10 + mul * (number % 10);		
    }
	
	public static void main(String args[]) {
		
		int rotated;
		
		read_input();
		
		for (int i = 0; i < cases; i++) {			
			
			int numdigits = (int) Math.log10((double)l1.get(i)); // would return numdigits - 1
			int multiplier = (int) Math.pow(10.0, (double)numdigits);
			
			for (int j = l1.get(i); j <= l2.get(i); j++) {
				rotated = rotateNumber(j, multiplier);
				
				for (int k = 0; k <= numdigits; k++) {					
					if (j < rotated && rotated <= l2.get(i)) {
						for (int k2 = 0; k2 < k; k2++) {
							if (rotated == rotated_array[k2]) {
								pairs[i]--;
							}
						}
						pairs[i]++;
					}
					rotated_array[k] = rotated;
					rotated = rotateNumber(rotated, multiplier);
				}				
			}
		}
		
		write_output();
		
	}

}