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 qualification;

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class Recycled {
	
	public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
		
		int numCases = s.nextInt();
		
		for (int i = 1; i <= numCases; i++) {
			int a = s.nextInt();
			int b = s.nextInt();
			
			int numRecycled = countRecycled(a, b);
			
			System.out.printf("Case #%d: %d\n", i, numRecycled);
		}
	}
	
	private static int countRecycled(int a, int b) {
		int result = 0;
		
		StringBuilder sbB = new StringBuilder();
		sbB.append(b);
		
		List<Integer> register = new ArrayList<Integer>();
		
		for (int i = a; i <= b; i++) {
			register.clear();
			
			if (i < 10) continue;
			
			StringBuilder sb = new StringBuilder();
			sb.append(i);
			
			for (int j = sb.length() - 1; j > 0; j--) {
				StringBuilder newCombinedSb = new StringBuilder();
				newCombinedSb.append(sb.substring(j)).append(sb.substring(0,  j));
				
				if (newCombinedSb.charAt(0) == '0') continue;
				
				if (newCombinedSb.charAt(0) > sbB.charAt(0)) continue;

				if (newCombinedSb.charAt(0) < sb.charAt(0)) continue;

				int newCombinedInt = Integer.parseInt(newCombinedSb.toString());
				
				if (newCombinedInt <= b && newCombinedInt > i) {
					if (!register.contains(newCombinedInt)) {
						register.add(newCombinedInt);
					}
				}
			}
			
			result += register.size();
		}
		
		return result;
	}

}
