/*
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 * and open the template in the editor.
 */
package gcj;

import java.io.File;
import java.io.FileWriter;
import java.util.ArrayList;
import java.util.Scanner;

/**
 *
 * @author daniele
 */
public class GCJ_C {
    
    public static void main(String[] args) throws Exception{
        
        
        
        Scanner in = new Scanner(new File(args[0]));
        FileWriter out = new FileWriter("/home/daniele/Scrivania/Output");
        

        int prove=in.nextInt();
        int min,max;
        int cifre;
        int cifreaus;
        String temp;
        int aus;
        int count=0;
        ArrayList<Integer> vals = new ArrayList<Integer>();
        int jcount=0;
        ArrayList<Integer> perm = new ArrayList<Integer>();
        
        out.write("");
        out.flush();
        
        for(int i=1;i<=prove;i++){
            
            out.append("Case #" +i+": ");out.flush();
            
            min=in.nextInt();
            max=in.nextInt();
            
            for(int j=min;j<=max;j++){
               if(!vals.contains(j)){
                    temp=""+j;
                    cifre=temp.length();
                    aus=j;
                    perm.add(j);
                    for(int k=1;k<cifre;k++){
                        aus=rotateOnce(aus);
                        temp=""+aus;
                        cifreaus=temp.length();//elusione zeri iniziali
                        if(aus>=min && aus<=max && aus!=j && cifreaus==cifre && nobody(vals,perm)){ 
                            perm.add(aus);
                            jcount ++;
                            
                        }
                        
                    }
                    while(jcount>0){count+=jcount; jcount--;}
                    vals.addAll(perm);
                    perm= new ArrayList<Integer>();
                    
                }
            }
            out.append(count+"\n");out.flush();
            count=0;
            vals= new ArrayList<Integer>();
        }
        
        
        
    }
        static public int rotateOnce(int n){
            String s=""+n;
            if(s.length()>1){
                s=s.charAt(s.length()-1) + s.substring(0,s.length()-1);
                n=Integer.parseInt(s);
            }
            return n;
        }    
        
        static public boolean nobody(ArrayList<Integer> v,ArrayList<Integer> a){;
            for(int i=0;i<a.size();i++)
                if(v.contains(a.get(i))) return false;
            return true;
        } 
    
}


package google.gcj.recyclednumbers;

import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Queue;
import java.util.Scanner;
import java.util.Set;

public class RecycledNumbers4 {

	public static void main(String[] args) throws FileNotFoundException {

		RecycledNumbers4 recycledNumbers = new RecycledNumbers4();
		recycledNumbers.doMain();
	}

	private void doMain() throws FileNotFoundException {
		Scanner in = new Scanner(System.in);

		int T = in.nextInt();

		int A, B, m, n, sum;

		for (int zz = 0; zz < T; zz++) {
			A = in.nextInt();
			B = in.nextInt();

			Queue<Integer> queue = new LinkedList<Integer>();
			Set<Integer> nm = new HashSet<Integer>();
			sum = 0;

			for (m = A; m <= B; m++) {
				if (!nm.contains(m)) {
					List<Integer> ml = integerToList(m);
					// new n
					queue.clear();
					for (int i = 0; i < ml.size(); i++) {
						queue.add(ml.get(i));
					}

					for (int j = 0; j < queue.size(); j++) {
						n = integerListToInteger(queue);
						if (A <= n && n < m && m <= B) {
							sum++;
							// System.out.format("Get %d\n", n);

							nm.add(m);
						}
						queue.add(queue.remove());
					}
				}
			}
			System.out.format("Case #%d: %s\n", zz + 1, sum);

		}
	}

	private List<Integer> integerToList(int B) {
		List<Integer> list = new ArrayList<Integer>();
		for (char c : String.valueOf(B).toCharArray()) {
			String s = String.valueOf(c);
			list.add(Integer.valueOf(s));
		}
		return list;
	}

	private int integerListToInteger(Queue<Integer> queue) {
		String s = "";
		for (int l : queue) {
			s += String.valueOf(l);
		}
		return Integer.valueOf(s);
	}

}
