import java.util.Scanner;

class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int t=sc.nextInt();
		int casos=1, a, b, n, m, cont;
		while(t!=0){
			a=sc.nextInt();
			b=sc.nextInt();
			if(a>b){
				int aux=a;
				a=b;
				b=aux;
			}
			System.out.printf("Case #%d: ",casos++);
			if(a==b){
				System.out.printf("%d\n",0);
			}else{
				cont=0;
				for(n=a;n<b;n++){					
					for(m=n+1;m<=b;m++){					
						if(isRecycled(n,m)) cont++;
					}
				}
				System.out.printf("%d\n",cont);
			}
			t--;
		}		
	}
	public static boolean isRecycled(int n1, int n2){
		String s1, s2, aux;
		s1 =  String.valueOf( n1 );
		s2 =  String.valueOf( n2 );		
		boolean r = false;		
		for(int i=0;i<s1.length();i++){
			aux="";
			aux=s1.substring(i,s1.length())+s1.substring(0,i);
//			System.out.println(aux);
			if(aux.equals(s2)){
				r=true;
				break;
			}
		}		
		return r;
	}
}

package lt.kasrud.gcj.ex3;

import lt.kasrud.gcj.common.IO;

import java.io.IOException;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

public class Main {
  public static void main(String[] args) throws IOException {
    IO.Data data = IO.readFile("C-small-attempt0.in");
    IO.writeFile("out3.txt", process(data));
  }

  private static List<Integer> process(IO.Data data) {
    List<Integer> result = new ArrayList<Integer>(data.getInt(0, 0));
    for(IO.Record r : data.getRecords(1)){
      Integer c = calculate(r.getInt(0), r.getInt(1));
      result.add(c);
    }

    return result;
  }

  private static Integer calculate(Integer a, Integer b) {
    int cnt = 0;
    Set<Integer> ms = new HashSet<Integer>();
    for (int n=a; n<=b; n++){
      ms.clear();
      String ns = String.valueOf(n);
      for (int i = 1; i< ns.length(); i++){
        int m = rotate(ns, i);
        if (m > n && m <= b){
          ms.add(m);
        }
      }
      cnt += ms.size();
    }

    return cnt;
  }

  private static int rotate(String ns, int i){
    String ms = ns.substring(i, ns.length()) + ns.substring(0, i);
    return Integer.valueOf(ms);
  }
}
