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


public class C{
	public static int recycle(String str){
		String[] numbers = str.split(" ");
		int min = Integer.parseInt(numbers[0]);
		int max = Integer.parseInt(numbers[1]);
		int ret = 0;

		for(int i = min; i < max; i++){
			String num = i + "";
			int len = num.length();
			int k = i;
			for(int j = 1; j < len; j++){
				k = (k/10) + (int)java.lang.Math.pow(10.0,(double)(len-1))*(k%10);
				if (k > i && k <= max)
					ret++;
				else if(k == i)
					break;
			}
		}

		return ret;
	}

	public static void main(String[] args){
		Scanner sc = null;
		String next;
		int out;
		try{
			sc = new Scanner(new File("C-large.in"));
			int cases = Integer.parseInt(sc.nextLine());
			int current = 0;
			

			FileWriter fs = new FileWriter("output.txt");
			BufferedWriter buff = new BufferedWriter(fs);
			while(current < cases){
				next = sc.nextLine();
				current++;
				out = recycle(next);
				buff.write("Case #" + current + ": " + out + "\n");
			}
			buff.close();
		}
		catch(Exception ex){}
	}
}

package Qualification;
import Practice.*;
import java.util.*;
import java.io.*;

public class C {
    
    public void ejecutar() throws Exception {
        Scanner sc = new Scanner(new FileReader("/home/gomezluisj/Descargas/C-large.in"));
	PrintWriter pw = new PrintWriter(new FileWriter("/home/gomezluisj/Descargas/C.out"));
	int caseCnt = sc.nextInt();
        for (int caseNum = 0; caseNum < caseCnt; caseNum++) {
            pw.print("Case #" + (caseNum + 1) + ": ");
            int ini=sc.nextInt();
            int fin=sc.nextInt();
            int res=0;
            for (int i = ini; i < fin; i++) {
                String number=Integer.toString(i);
                List<Integer> lista=new ArrayList<Integer>();
                for (int j = 1; j < number.length(); j++) {
                    String compare=number.substring(j)+number.substring(0, j);
                    
                    int num=Integer.parseInt(compare);
                    if(num>i&&num<=fin){
                        Iterator iter=lista.iterator();
                        int flag=0;
                        while(iter.hasNext()){
                            if((Integer)iter.next()==num){
                                flag=1;
                            }
                        }
                        if (flag==0){
                            res=res+1;
                            lista.add(num);
                        }
                        
//                        System.out.println(""+i+" "+num);
                    }
                }
            }
            pw.println(res);
        }	
        pw.flush();
        pw.close();
        sc.close();
    }
    
    
    public static void main(String[] args) throws Exception {
		new C().ejecutar();
	}
}
