/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

import java.io.File;
import java.io.FileInputStream;
import java.util.Scanner;

/**
 *
 * @author imgps
 */
public class C {
    public static void main(String args[]) throws Exception{
        int A,B;
        int ctr = 0;
        int testCases;
        
        Scanner sc = new Scanner(new FileInputStream("C-small-attempt0.in "));
        testCases = sc.nextInt();
        int input[][] = new int[testCases][2];
        for(int i=0;i<testCases;i++)
        {
          //  System.out.print("Enter input A B: ");
            input[i][0] = sc.nextInt();
            input[i][1] = sc.nextInt();
            
        }
  

for(int k=0;k<testCases;k++){
      ctr = 0;
      A = input[k][0];
      B = input[k][1];
        for(int i = A;i<=B;i++){
            int num = i;
            int nMul = 1;
            int mul = 1; 
            int tnum = num/10;
            while(tnum > 0){
                mul = mul *10;
                tnum= tnum/10;
            }
            tnum = num;
            int n = 0;
            while(tnum > 0 && mul >= 10){
                nMul = nMul * 10;
                n = (num % nMul) * mul + (num / nMul);
                mul = mul / 10;
                tnum = tnum / 10;
                for(int m=num;m<=B;m++){
                    
                    if(n == m && m > num){
                        ctr++;
                    }
                }
                
                
                
         
            }
        }
        System.out.println("Case #"+(k+1)+": "+ctr);
        
    }
    }
}

import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.ArrayList;

public class Ejercicio31 {

	DataInputStream entrada;
	ArrayList<String> datos;

	public Ejercicio31() {
		// TODO Auto-generated constructor stu

		datos = new ArrayList<String>();

	}

	public void extraer() {

		try {
			entrada = new DataInputStream(new FileInputStream("C-small-attempt0.in"));

			String cadena = "";

			while ((cadena = entrada.readLine()) != null) {

				datos.add(cadena);
			}

			entrada.close();

		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

	}

	public void encontrar() {

		 int entradas = Integer.parseInt(datos.get(0));
		//int entradas = 2;

		for (int i = 1; i <= entradas; i++) {

			String partes[] = datos.get(i).split(" ");

			int a = Integer.parseInt(partes[0]);
			int b = Integer.parseInt(partes[1]);

			int n = a;
			int m = a + 1;

			//System.out.print(n + " ");
			//System.out.println(m);
			//System.out.println();

			int nr = 0;

			while (n < m) {

				int mAuxNum = m;

				while (m <= b) {

				
					String mAux = m + "";
					char cmAux[] = mAux.toCharArray();

					String nAux = n + "";

					for (int j = 0; j < cmAux.length; j++) {
						
						char primero = cmAux[0];

						int x;

						for (x = 0; x < cmAux.length - 1; x++)
							cmAux[x] = cmAux[x + 1];

						cmAux[x] = primero;

						mAux = "";

						for (int k = 0; k < cmAux.length; k++) {

							mAux += cmAux[k] + "";

						}

						if (mAux.equals(nAux)) {

							nr++;

						}

					}


					m++;

				}

				n++;

				if (mAuxNum < b)
					m = mAuxNum + 1;

			}

			System.out.println("Case #"+i+": "+nr);

		}

		
		System.out.println("listo");
	}

	public static void main(String[] args) {

		Ejercicio31 ej3 = new Ejercicio31();
		ej3.extraer();
		ej3.encontrar();

	}

}
