import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

public class Recycled {
	public static void main(String[] args) throws Exception{
		String inputFile = "C-small-attempt0.in";
		
		BufferedReader input = new BufferedReader(new InputStreamReader(new FileInputStream(inputFile)));
		BufferedWriter output = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("output")));
		long num_cases = Long.parseLong(input.readLine());
		int current_case = 0;
		
		while (current_case < num_cases){
			current_case++;
			
			String[] fields = input.readLine().split(" ");
			int A = Integer.parseInt(fields[0]);
			int B = Integer.parseInt(fields[1]);
			int total = 0;
			
			for (int n = A; n < B; n++){
				for (int m = n+1; m <= B; m++){
					if (isRecycled(n,m)) total++;
				}
			}
			
			System.out.println("Case #" + current_case + ": " + total);
			output.write("Case #" + current_case + ": " + total + "\n");
		}
		output.close();
	}

	private static boolean isRecycled(int n, int m) {
		String sn = ""+n;
		String sm = ""+m;
		if (sn.length() != sm.length()) return false;
		int totaln = 0, totalm = 0;
		for (int i = 0; i < sn.length(); i++){
			totaln += sn.charAt(i);
			totalm += sm.charAt(i);
		}
		if (totaln != totalm) return false;
		for (int i = 0; i < sn.length()-1; i++){
			sm = sm.charAt(sm.length() - 1) + sm.substring(0, sm.length() - 1);
			if (sm.equals(sn)) return true;
		}
		return false;
	}
}

package recycle_no;

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

public class Recycle_no {
    int N,a,b,count=0;
    String s="",temp[];
    public Recycle_no(){
        try {
            FileInputStream fis=new FileInputStream("C-small-attempt0.in");
            DataInputStream dis=new DataInputStream(fis);
            FileOutputStream fos = new FileOutputStream("C-small-attempt0.out");
            DataOutputStream dos=new DataOutputStream(fos);
            N=Integer.parseInt(dis.readLine());
            for(int i=1;i<=N;i++)
            {
                s=dis.readLine();
                count=0;
                temp=s.split(" ");
                a=Integer.valueOf(temp[0]);
                b=Integer.valueOf(temp[1]);
                for(int j=a;j<b;j++)
                {
                    count+=recycle(j, a, b);
                }
                s="Case #"+i+": "+count;
                if(i!=N)
                {
                    s=s+"\n";
                }
//                System.out.println(s);
                dos.writeBytes(s);
            }
            fis.close();
            fos.close();
            }catch(Exception e){
                System.out.println("Error: "+e);
            }

    }
    private int recycle(int n,int min,int max){
        int no=n,temp_no=n,r,digit=0,d,c=0,a[];
        while(temp_no!=0){
            temp_no=temp_no/10;
            digit++;
        }
        d=digit;
        a=new int[d];
        Arrays.fill(a, -1);
        while(d!=1){
            r=n%10;
            n=n/10;
            n=(int) (Math.pow(10,(digit-1))*r+n);
            if(n>=min && n<=max && n>no)
            {
                int flg=0;
                for(int j=0;j<a.length;j++)
                {
                    if(n==a[j])
                    {
                        flg=1;
                        break;
                    }
                }
                if(flg==0)
                {
                    a[c++]=n;
//                    System.out.println("val="+n+",no= "+no);
                }
            }
            d--;
        }
        return c;
    }
    public static void main(String[] args) {
       new Recycle_no();
    }
}
