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);
		}
	}
}
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Scanner;
import java.util.TreeMap;

class Recycled {
    public static void main(String args[]) throws IOException{
        Scanner in = new Scanner(new File("recycle.txt"));
        PrintWriter fw = new PrintWriter(new FileWriter(new File("recycle.out")));
        TreeMap<Integer, ArrayList<Integer> > map = new TreeMap<Integer, ArrayList<Integer> >();
        for(int i = 1; i <= 2000000; i++){
            ArrayList<Integer> arr = new ArrayList<Integer>();
            String it = "" + i;
            for(int k = 0; k < it.length(); k++){
                int temp = Integer.parseInt(it.substring(k + 1, it.length()) + it.substring(0, k+1));
                if(temp > i){
                    boolean add = true;
                    for(int ad = 0; ad < arr.size(); ad++){
                        if(temp==arr.get(ad)) add = false;
                    }
                    if(add) arr.add(temp);
                }
            }
            Collections.sort(arr);
            map.put(i, arr);
        }
        int cases = in.nextInt();
        for(int c = 1; c <= cases; c++){
            int A = in.nextInt();
            int B = in.nextInt();
            int pass = 0;
            for(int a = A; a < B; a++){
                if(map.get(a)==null) continue;
                ArrayList<Integer> list = map.get(a);
                for(int l = 0; l < list.size(); l++){
                    if(list.get(l) <= B) pass++;
                    else break;
                }
            }
            String out = "Case #" + c + ": " + pass;
            fw.println(out);
        }
        fw.close();
    }
}
