import java.util.*;
import java.io.*;

public class recycled_numbers {
	public static void main(String[]a) throws Exception{
		
		Scanner f = new Scanner(new File(a[0]));
		int result=0;
		int A,B;
		String n,m;
		HashSet<String> s=new HashSet<String>();
		
		int T=f.nextInt();	//T total case count
		for (int t=1; t<=T;t++){//for each case t
			
			s.clear();
			result=0;				//reset
			A=f.nextInt();B=f.nextInt();	//get values for next case
			
			if (A==B)result=0;//remove case not meeting problem limits 
			else{
				for(int i=A;i<=B;i++){//for each int in range
					n=Integer.toString(i);
					m=new String(n);
					//System.out.println(n);
					for (int j=1;j<n.length();j++){//move each digit to the front & test
						m = m.substring(m.length()-1)+m.substring(0,m.length()-1);
						if(m.matches("^0+[\\d]+")!=true &&
								Integer.parseInt(m)<=B &&
								Integer.parseInt(n)<Integer.parseInt(m)){
							s.add(new String(n+","+m));
							//result++;
							//System.out.println(" matched: "+m);
						}
						
					}
				}
				result = s.size();
			}

			//display output
			System.out.println("Case #" + t + ": " + result);
		}
	}
}
package taskc;

import java.util.*;

public class TaskC {

    public static void main(String[] args) {
        new TaskC().main();
    }
    
    int numOfDigits(int x) {
        int res = 0;
        while (x > 0) {
            res++;
            x /= 10;
        }
        return res;
    }
    
    int getCycle(int n, int i) {
        String s = Integer.toString(n);
        int leftlen = s.length() - i;
        String res = s.substring(leftlen) + s.substring(0, leftlen);
        return Integer.parseInt(res);
    }
    
    Set<Integer> generateCycleNumbers(int x) {
        Set<Integer> res = new HashSet<Integer>();
        int n = numOfDigits(x);
        for (int i = 1; i < n; i++) {
            int z = getCycle(x, i);
            if (numOfDigits(z) == numOfDigits(x)) {
                res.add(z);
            }
        }
        return res;
    }
    
    int f(int x, int y) {
        int res = 0;
        
        for (int i = x; i <= y; i++) {
            Set<Integer> cycles = generateCycleNumbers(i);
            for (int q: cycles) {
                if (q >= x && q <= y && q != i) {
                    //System.out.println(i +" -> " + q);                    
                    res++;
                }
            }
        }
        
        return res/2;
    }
    
    void main() {
        Scanner s = new Scanner(System.in);
        int T = s.nextInt();
        for (int i = 1; i <= T; i++) {
            int a = s.nextInt(), b = s.nextInt();
            int ans = f(a, b);
            System.out.println("Case #" + i + ": " + ans);
        }
    }
}
