import java.io.*;

class code1
{
	public static void main(String args[]) throws Exception 
	{
		File ii = new File ("C-small-attempt1.in");
		FileInputStream fis = new FileInputStream(ii);
		BufferedReader  br = new BufferedReader(new InputStreamReader (fis));
		int cases = Integer.parseInt(br.readLine());
		FileOutputStream fout = new FileOutputStream ("output.txt");
		DataOutputStream dout = new DataOutputStream (fout);
		int total=0;
		for(int i=0;i<cases;i++){
		String temp = br.readLine();
		String parts [] = temp.split(" ");
		int lower = Integer.parseInt(parts[0]);
		int upper = Integer.parseInt(parts[1]);
		System.out.println(lower+" "+upper);
		
		for(int j=lower;j<=upper;j++)
		{
			int abc = j;int length=0;
			if(j<10)continue;
			while (abc!=0){abc/=10;length++;}
			abc=j;
			for(int m=0;m<length-1;m++){
				int shift = abc%10;
				abc=abc/10;
				System.out.println("hi "+j);
				abc=abc+shift*power(10,length-1);
				if(abc<=upper&&shift!=0&&abc>j)total++;
				System.out.println(total);
			}
		}
 		dout.writeBytes("Case #"+(i+1)+ ": "+total+"\n");
 		total=0;
		}//for close
		
	}

	private static int power(int i, int j) {
		int no=1;
		for(int a=0;a<j;a++){no=10*no;}
		return no;
	}
}
import java.io.*;
import java.util.*;
public class RecycledNumbers {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        int t = Integer.parseInt(br.readLine());
        for(int z=0; z<t; z++) {
            StringTokenizer st = new StringTokenizer(br.readLine()," ");
            int n = Integer.parseInt(st.nextToken());
            int m = Integer.parseInt(st.nextToken());
            long ans  =0;
            for(int i=n; i<=m; i++) {
                ans+=(no(i,m));
            }
            
            System.out.println("Case #"+(z+1)+": "+ans);
        }   
    }
    public static int no(long n, long max) {
        String s = n+"";
        int p = s.length();
        HashSet<Integer> b = new HashSet<Integer>();
        //int ans = 0;
        for(int i=1; i<p; i++) {
            if(s.charAt(i)!='0') {
                String s1 = s.substring(i) + s.substring(0,i);
                int temp = Integer.parseInt(s1);
                if(temp>n && temp<=max && !b.contains(temp)) {
                    //System.out.println(n+" "+temp);
                    //ans++;
                    b.add(temp);
                }
            }
        }
        return b.size();
    }
}
