package Main;

import com.sun.deploy.util.ArrayUtil;
import org.apache.commons.lang3.ArrayUtils;

import java.io.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;

/**
 * Created with IntelliJ IDEA.
 * User: arran
 * Date: 14/04/12
 * Time: 3:12 PM
 * To change this template use File | Settings | File Templates.
 */
public class Round {
    public StringBuilder parse(BufferedReader in) throws IOException {
        StringBuilder out = new StringBuilder();
        String lineCount = in.readLine();

        for (int i = 1; i <= Integer.parseInt(lineCount); i++)
        {
            out.append("Case #"+i+": ");
            System.err.println("Case #"+i+": ");
            String line = in.readLine();
            String[] splits = line.split(" ");
            int p1 = Integer.valueOf(splits[0]);
            int p2 = Integer.valueOf(splits[1]);
            int r = pairRecyclable(p1, p2);
            out.append(r);

//            if (i < Integer.parseInt(lineCount))
                out.append("\n");
        }
        return out;
    }

    public static int pairRecyclable(int i1, int i2) {
        HashSet<String> hash = new HashSet<String>();
        for (int i = i1; i < i2; i++)
        {
            String istr = String.valueOf(i);
            if (istr.length() < 2) continue;
            for (int p = 0; p < istr.length() ; p++)
            {
                String nistr = istr.substring(p,istr.length()).concat(istr.substring(0,p));
                if (Integer.valueOf(nistr) < i1) continue;
                if (Integer.valueOf(nistr) > i2) continue;
                if (nistr.equals(istr)) continue;
                String cnistr = (Integer.valueOf(nistr) > Integer.valueOf(istr)) ?  istr + "," + nistr : nistr + "," + istr;
                hash.add(cnistr);
            }
        }
        return hash.size();
    }

    public static void main(String[] args) {
        InputStreamReader converter = null;
        try {
            int attempt = 0;
            String quest = "C";
//            String size = "small-attempt";
            String size = "large";
            converter = new InputStreamReader(new FileInputStream("src/resource/"+quest+"-"+size+".in"));
            BufferedReader in = new BufferedReader(converter);
            Round r = new Round();
            String str = r.parse(in).toString();
            System.out.print(str);
            FileOutputStream fos = new FileOutputStream(quest+"-"+size+".out");
            OutputStreamWriter osw = new OutputStreamWriter(fos);
            BufferedWriter bw = new BufferedWriter(osw);
            bw.write(str);
            bw.flush();
            bw.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }
}

import java.util.*;
class xyz
{
	public static void main(String args[])
	{
	Scanner sc=new Scanner(System.in);
	int p=sc.nextInt();
	int t=1;
		while(p!=0)
		{
			int z=sc.nextInt();
			int b=sc.nextInt();
				int cnt=0;

		for(int i=z;i<=b;i++)
		{
			int a[]=new int[5000];
			String s=""+i;
			int cnt1=0,d=0;
			int n=Integer.parseInt(s);
			char c[]=s.toCharArray();
			for(int j=1;j<(c.length);j++)
			{
				char temp;
				temp=c[0];

				for(int k=0;k<(c.length-1);k++)
				{


					c[k]=c[k+1];


				}
				c[c.length-1]=temp;
				String s1=new String(c);
				int w=Integer.parseInt(s1);

				if((w>n)&&(w>=z)&&(w<=b))
				{
					a[d]=w;
					d++;

					cnt1++;


				}
			}
				int e=0,cnt2=0;
				while(a[e]!=0)
				{
					cnt2++;
					e++;
				}
				int len=cnt2;
				for(int l=0;l<len;l++)
				{
					for(int m=l+1;m<len;m++)
					{
						if(a[l]==a[m])
						{
							for(int o=m;o<len-1;o++)
							{
								a[o]=a[o+1];
							}
							len--;

						}
					}
				}

				if(len!=cnt1)
				{
					cnt1=len;
				}
				cnt+=cnt1;

		}


		System.out.println("Case #"+t+": "+cnt);


	t++;
p--;		
		}
	
	}
}